Systems¶

Named systems referenced across sources: Kafka, Spanner, Envoy, TAO, Sitar, etc.

1764 pages

Most-cited¶

Amazon S3 (Simple Storage Service) 47 sources — Amazon S3 is AWS's foundational object storage service, launched March 14, 2006 as the first public AWS service. By early 2025 it holds hundreds of trillions of objects across 36…
Cloudflare Workers 31 sources — Cloudflare Workers is Cloudflare's serverless JavaScript / WebAssembly compute tier, deployed across 330+ Cloudflare POPs.…
Redpanda 30 sources — Redpanda is a ground-up C++ rewrite of a Kafka-API-compatible streaming broker, built on the thread-per-core Seastar framework with Raft-based replication.…
PostgreSQL 28 sources — PostgreSQL ("Postgres") is an open-source object-relational database system, first released in 1986 and continuously developed since.…
Apache Iceberg 27 sources — Apache Iceberg is an open table format that sits above columnar data files (typically apache-parquet) on an object store to provide a table abstraction — atomic row-level updates,…
Apache Kafka 27 sources — Distributed, partitioned, replicated append-only log; the canonical open-source streaming-messaging substrate. Producers write keyed records to topics,…
Kubernetes 27 sources — Kubernetes is the dominant open-source container orchestrator (CNCF graduated, originally from Google's Borg lineage). Stub page — expand as sources cite specific subsystems.
Unity Catalog (Databricks) 27 sources — Unity Catalog (UC) is Databricks' unified governance solution for data and AI assets. Several distinct faces show up across ingested sources:
Model Context Protocol (MCP) 24 sources — Model Context Protocol (MCP) is an open standard — published at modelcontextprotocol.io — for servers to describe the tools they provide to LLM agents.…
MySQL 24 sources — MySQL is a widely deployed open-source relational database, typically the default OLTP store for teams that need a familiar SQL engine and strong ecosystem support.…
Apache Spark 22 sources — Apache Spark is the de-facto general-purpose distributed data-processing engine of the 2010s — a Scala/Java dataflow runtime with rich, safe higher-level abstractions (Spark SQL,…
AWS Lambda 22 sources — AWS Lambda is AWS's function-as-a-service compute platform, launched Nov 2014. Runs customer code in stateless invocations on AWS-managed infrastructure,…

All pages (A–Z)¶

1Password — 1Password is a commercial password manager — encrypted credential vault + browser plugin + mobile app — widely adopted as the shared-credential substrate for small-to-mid-size…
AWS Certificate Manager (ACM) — AWS Certificate Manager (ACM) is the managed TLS certificate service for AWS accounts. ACM issues public certificates (free,…
ACT — Anonymous Credit Tokens — ACT (Anonymous Credit Tokens) is an IETF Privacy Pass draft — draft-schlesinger-privacypass-act-01 — that extends Privacy Pass with credit-style credentials: a client contacts…
activerecord-sql_commenter gem — activerecord-sqlcommenter is a PlanetScale-authored Ruby gem that makes Rails 7's native querylogtags feature emit query-annotation comments in the SQLCommenter format (Google's…
Affirm — Affirm is a buy-now-pay-later (BNPL) provider. Surfaced on the wiki as one of four named non-card payment methods covered by Stripe Radar's cross- payment-method signal propagation…
agent-browser — vercel-labs/agent-browser is an AI-driven browser-verification tool maintained by Vercel Labs. Lets an AI coding agent open a real browser, take actions,…
Agent Lee — Agent Lee is Cloudflare's first-party in-dashboard AI assistant — launched 2026-04-15 in open beta — that understands a user's Cloudflare account and can both troubleshoot…
Agent Skills (standard) — Agent Skills is an emerging standard for publishing task-instructional documents (skill documents) at a fixed well-known URL so AI agents can discover what specialised tasks…
AgentCore Gateway — AgentCore Gateway is the Bedrock AgentCore surface that lets sub-agents invoke external systems (on-prem APIs, AWS services,…
AgentCore Identity — AgentCore Identity is the Bedrock AgentCore surface responsible for authentication + authorisation of agents and their tool access — which agent is allowed to call which tool,…
AgentCore Memory — AgentCore Memory is the Bedrock AgentCore surface that provides built-in session state + shared memory across sub-agents + automatic context preservation through asynchronous…
Agentic Commerce Protocol (ACP) — The Agentic Commerce Protocol is an open checkout specification that lets buyers, AI agents, and sellers transact through APIs.…
Agentic Inbox — Agentic Inbox (github.com/cloudflare/agentic-inbox) is Cloudflare's open-source reference application for building an email-client-plus-agent on the Workers developer platform…
AI Crawl Control — AI Crawl Control (developers.cloudflare.com/ai-crawl-control) is a Cloudflare dashboard + ruleset surface that gives origin operators per-category policy over AI crawler traffic…
Vercel AI SDK — Vercel AI SDK (ai-sdk.dev) is Vercel's open-source TypeScript toolkit for building AI- powered applications: provider-abstraction for multiple LLM vendors, streaming helpers,…
AI Studio — AI Studio is Google's developer playground for the Gemini model family (aistudio.google.com). Named in the 2026-05-28 Google Research I/O 2026 roundup post as one of three product…
AI Zone (Meta two-stage Clos training fabric) — AI Zone is Meta's name for the two-stage Clos topology that forms the backend training fabric of an AI cluster — a non-blocking spine+leaf design sized to host as many GPUs…
Aidbox — Aidbox is Health Samurai's FHIR Server and Database — an operational FHIR data platform combining FHIR-native storage, RESTful FHIR API, terminology server capabilities,…
Airbnb Destination Recommendation — Airbnb's Destination Recommendation system is a transformer-based sequence model that predicts which travel destination (city) a user is likely to want next,…
Airbnb Knowledge Graph Infrastructure — Airbnb's internally managed, multi-tenant knowledge graph platform built on JanusGraph + DynamoDB + OpenSearch. Provides a paved-path graph data platform where each tenant operates…
Airbnb fault-tolerant metrics storage — The storage-plane subsystem inside airbnb-observability-platform — the multi-cluster, multi-tenant time-series storage fleet that persists and serves Airbnb's metrics.…
Airbnb observability platform — Airbnb's in-house metrics platform, built on Prometheus and PromQL, replacing a third-party vendor-managed system after a ~5-year migration.…
Skipper (Airbnb) — Skipper is Airbnb's internal Java/Kotlin workflow engine for durable execution, disclosed in Skipper: Building Airbnb's embedded workflow engine (Ricardo Gamba and Andriy…
Airbnb Unified Data Store (UDS) — Unified Data Store (UDS) is Airbnb's internal managed data store, referenced in the Skipper disclosure as one of Skipper's pluggable persistence backends alongside MySQL.…
Airbyte — Airbyte is an open-source data-integration platform for moving data between sources (operational databases, SaaS APIs) and destinations (data warehouses, data lakes).…
Alertmanager — Alertmanager is the CNCF-hosted alert-routing and -deduplication companion to Prometheus. Prometheus servers evaluate alerting rules and push firing alerts to Alertmanager,…
Alliance for Open Media (AOMedia) — Alliance for Open Media (AOMedia / AOM) is an industry consortium founded in 2015 by Netflix, Google, Amazon, Meta, Mozilla, Cisco, Microsoft,…
Amazon API Gateway — Amazon API Gateway is AWS's managed API ingress — fronts a REST, HTTP, or WebSocket API, handles routing, throttling, authz, request transformation, and caching,…
Amazon Application Recovery Controller (ARC) — Amazon Application Recovery Controller (ARC) is an AWS service for application recovery readiness and automated failover across Regions and Availability Zones. It provides:
Amazon Athena — Amazon Athena is AWS's serverless SQL query engine over aws-s3 — a managed Presto/Trino deployment that reads apache-parquet (and other open formats) directly from S3 with no…
Amazon Aurora — Amazon Aurora is AWS's cloud-native relational database engine — wire-compatible with MySQL or PostgreSQL with a distributed storage layer that decouples compute from storage…
Amazon Bedrock Knowledge Bases — Amazon Bedrock Knowledge Bases is an AWS managed service for building Retrieval-Augmented Generation (RAG) applications on top of Amazon Bedrock foundation models.…
Amazon Bedrock — Amazon Bedrock is AWS's managed foundation-model runtime — a single API surface for inference against hosted first-party models (Amazon Titan / Nova) and third-party models…
Amazon CloudFront — Amazon CloudFront is AWS's global content delivery network — edge locations cache + serve HTTP(S) content to end users with low latency,…
Amazon CloudWatch Metric Streams — Amazon CloudWatch Metric Streams is the push-based export primitive on top of Amazon CloudWatch: it streams CloudWatch metrics in near real-time to an Amazon Data Firehose delivery…
Amazon Cognito — Amazon Cognito is AWS's managed identity service — user directory + OIDC/OAuth-compatible authentication for web / mobile / machine-to-machine clients.…
Amazon Data Firehose — Amazon Data Firehose (formerly Amazon Kinesis Data Firehose; rebranded February 2024) is AWS's fully managed capture-buffer-transform-deliver streaming service for real-time data.…
Amazon Dynamo — Amazon Dynamo is the internal Amazon key-value storage system described in the DeCandia et al. SIGOPS 2007 paper. It is not the same system as Amazon DynamoDB (the 2012 public AWS…
Amazon ECR (Elastic Container Registry) — Amazon ECR is AWS's managed OCI-compatible container image registry: customers push Docker / OCI images to private (or public) repositories and pull them from any AWS compute…
Amazon ECS (Elastic Container Service) — Amazon Elastic Container Service (Amazon ECS) is AWS's proprietary container-orchestration service, the substrate for both App Mesh (deprecated) and ECS Service Connect (current).…
Amazon EMR — Amazon EMR (Elastic MapReduce) is AWS's managed Hadoop-ecosystem runtime — hosts for apache-spark, apache-hive, Presto, Flink, HBase,…
Amazon EventBridge — Amazon EventBridge is AWS's managed serverless event bus: producers put events onto a named bus, rules match events by content pattern and dispatch to configured targets (Lambda /…
Amazon EVS (Elastic VMware Service) — Amazon Elastic VMware Service (Amazon EVS) is AWS's managed offering for running a VMware Cloud Foundation (VCF) stack natively inside a customer's Amazon VPC,…
Amazon FSx for NetApp ONTAP — Amazon FSx for NetApp ONTAP is a fully managed AWS storage service that provides the capabilities of NetApp's ONTAP file system as a cloud-native offering.…
Amazon GuardDuty Malware Protection — Amazon GuardDuty Malware Protection is a feature of Amazon GuardDuty that scans backup recovery points and EC2 volumes for malware without requiring agents on the workload.
Amazon GuardDuty — Amazon GuardDuty is AWS's managed threat-detection service: a continuously-running analytics engine over security-relevant signals (CloudTrail, VPC Flow Logs, DNS logs,…
Amazon Inspector — Amazon Inspector is AWS's managed vulnerability-scanning service for EC2 instances, container images (Amazon ECR), and Lambda functions…
Amazon Ion — Amazon Ion (amazon-ion.github.io/ion-docs) is Amazon's open-source richly-typed self-describing data serialization format with dual text/binary representations and a formal type…
Amazon Key — Amazon Key is Amazon's physical-access-management product family — consumer-side In-Garage Delivery (couriers unlock + place packages inside customers' garages) and business-side…
Amazon Kinesis Data Streams — Amazon Kinesis Data Streams is AWS's managed durable streaming substrate — a distributed, sharded, append-only log for real-time data ingestion.…
Amazon Macie — Amazon Macie is an AWS-managed sensitive-data discovery and classification service for S3. It uses machine learning and pattern matching to automatically detect personally…
Amazon Managed Grafana — Amazon Managed Grafana (AMG) is AWS's fully managed Grafana service — the Grafana visualization engine operated by AWS, with native integrations to AWS data sources (CloudWatch,…
Amazon Managed Service for Prometheus — Amazon Managed Service for Prometheus (AMP) is AWS's managed Prometheus-compatible metrics backend — scales horizontally, 150-day retention by default,…
Amazon me-central-1 (UAE) — Amazon me-central-1 is Amazon Web Services' Middle East (UAE) cloud region, launched 2022-08-30 in the United Arab Emirates.…
Amazon me-south-1 (Bahrain) — Amazon me-south-1 is Amazon Web Services' Bahrain cloud region, launched 2019-07-29. It was AWS's first Middle-East region,…
Amazon MSK (Managed Streaming for Apache Kafka) — Amazon MSK is AWS's managed Apache Kafka service. Customers get standard Kafka clients, topics, partitions, consumer groups,…
Amazon OpenSearch Service — Amazon OpenSearch Service is AWS's managed service for OpenSearch (the open-source fork of Elasticsearch/Kibana). Since the addition of the k-NN plugin,…
Amazon QuickSight — Amazon QuickSight is AWS's managed business-intelligence + analytics platform — interactive dashboards, the SPICE in-memory engine, ML Insights, pixel-perfect reports,…
Amazon Redshift Spectrum — Amazon Redshift Spectrum is the query-against-S3 extension of Amazon Redshift: run SQL directly over data in S3 without loading it into the cluster,…
Amazon Redshift — Amazon Redshift is AWS's managed cloud data warehouse — a columnar, MPP analytics database for petabyte-class OLAP workloads.…
Amazon Rekognition — Amazon Rekognition is AWS's managed computer-vision API — face detection / comparison, object + scene detection, text in images, content moderation, celebrity recognition.…
Amazon Route 53 — Amazon Route 53 is AWS's managed DNS service. In the context of this wiki, the feature of interest is weighted routing records: multiple records for the same name with per-record…
Amazon S3 Object Lock — Amazon S3 Object Lock is an S3 feature that prevents object deletion or overwriting for a configured retention period. It provides write-once-read-many (WORM) semantics enforced…
Amazon SageMaker Unified Studio — Amazon SageMaker Unified Studio is the next-generation unified development environment for data and AI on AWS, part of the next-generation SageMaker.…
Amazon SOCI (Seekable OCI) — SOCI (Seekable Open Container Initiative) is an open-source index format, maintained as an AWS-originated CNCF sandbox project,…
Amazon Textract — Amazon Textract is AWS's managed document text and metadata extraction service — OCR plus form / table / key-value / signature detection over scanned and digital documents.…
Amazon Titan Text Embeddings — Amazon Titan Text Embeddings is AWS's family of first-party text embedding models available through Amazon Bedrock. Invoked via the Bedrock Runtime API (bedrock.invokemodel…
Amazon Verified Permissions — Amazon Verified Permissions (AVP) is AWS's managed Cedar policy engine — a service that takes (principal, action, resource,…
Amazon VPC Flow Logs — Amazon VPC Flow Logs is the AWS service that records network traffic metadata flowing through Elastic Network Interfaces (ENIs) in a Virtual Private Cloud (VPC).…
Amazon WorkSpaces Connection Health Check — Amazon WorkSpaces Connection Health Check is a public-facing AWS diagnostic web page (clients.amazonworkspaces.com/Health.html) that measures round-trip-time (RTT)…
AMD Instinct MI300X — The AMD Instinct MI300X is AMD's flagship data-center GPU for AI training and inference workloads, competitive with the NVIDIA H100 class.…
AMD SEV-SNP — AMD Secure Encrypted Virtualization with Secure Nested Paging (SEV-SNP) is AMD's VM-granularity trusted execution environment.…
Amundsen — Amundsen is Lyft's open-source data-discovery + metadata platform, originally built by the Lyft Data Platform team in 2018 and contributed to the Linux Foundation AI & Data…
Android Accessibility Framework — The Android Accessibility Framework is the set of platform APIs Android apps use to expose UI semantics to assistive technologies like TalkBack.…
Android Earthquake Alerts System (AEA) — Android Earthquake Alerts (AEA) is Google's planet-scale earthquake early-warning (EEW) system. Android devices act as a distributed seismometer fleet…
Android Fragment — An Android Fragment is a modular, reusable portion of a user interface within an Android Activity. Fragments were introduced in Android 3.0 (Honeycomb,…
Android System SafetyCore — Android System SafetyCore is a Google system service for Android 9+ devices that provides on-device infrastructure for privacy-preserving safety features…
Angle (Glean query language) — Angle is the declarative logic-based language used for both schemas and queries in Meta's Glean code-indexing system. "Angle is an anagram of Glean,…
Anthropic Project Glasswing — Project Glasswing is Anthropic's controlled-research partner program through which a small number of external organisations are given access to preview cyber frontier models…
anthropics/claude-code-action — anthropics/claude-code-action is Anthropic's official GitHub Actions integration for Claude Code. It lets workflows invoke Claude with scoped tools (Read, Edit, Bash,…
Antigravity — Antigravity is a Google developer environment / surface powered by Gemini 3.5 Flash. Named in the 2026-05-28 Google Research I/O 2026 roundup post as one of three product surfaces…
Anyscale Platform — Anyscale Platform is the commercial managed ray runtime from Anyscale, the company founded by the original Berkeley RISELab Ray creators.…
Apache Airflow — Apache Airflow is the open-source workflow orchestration system originally created at Airbnb (2014; donated to ASF, TLP in 2019).…
Apache Arrow — Apache Arrow is a language-agnostic in-memory columnar format for tabular data. Where apache-parquet is the on-disk/object-storage columnar format,…
Apache Cassandra — Apache Cassandra is a distributed, wide-column NoSQL database originating at Facebook in 2008 (Lakshman + Malik) and donated to the Apache Software Foundation in 2009.…
Apache DataSketches — Apache DataSketches (datasketches.apache.org) is a top-level Apache Software Foundation project providing a production-grade library of probabilistic data structures — sketches…
Apache Druid — Apache Druid is an open-source real-time OLAP / time-series database designed for high-ingest, low-latency slice-and-dice analytics over event data (dashboards, monitoring,…
Apache Flink — Apache Flink is the JVM-based open-source distributed stream-processing engine that became the de-facto default for stateful event-time stream processing in the 2010s-20s.…
Apache Hive — Apache Hive is the Hadoop-era SQL-on-HDFS query engine + metastore — the system that popularised the "tables over a data lake" idea at Facebook in the late 2000s and became…
Apache Hudi — Apache Hudi (Hadoop Upserts Deletes and Incrementals) is one of the three canonical open table formats alongside apache-iceberg and delta-lake…
Apache Iceberg — Apache Iceberg is an open table format that sits above columnar data files (typically apache-parquet) on an object store to provide a table abstraction — atomic row-level updates,…
Apache Livy — Apache Livy is the open-source REST service for Apache Spark that exposes Spark job submission, interactive shell sessions, and batch-job lifecycle management as an HTTP API.…
Apache Parquet — Apache Parquet (2013) is a columnar on-disk file format for tabular data. It became the de-facto object-level format for tables on cloud object stores,…
Apache Pekko — Apache Pekko is an Apache Software Foundation project that is a fork of Akka — the JVM toolkit for building concurrent, distributed,…
Apache Phoenix + Omid (Sparrow substrate) — Apache Phoenix is a SQL layer over HBase that provides JDBC-compatible SQL access, secondary indexes, and schema management on top of HBase's wide-column model.…
Apache Polaris — Apache Polaris™ is an open-source implementation of the Iceberg REST Catalog protocol — a managed HTTP service that owns the mapping from logical table name → current Iceberg…
Apache Spark — Apache Spark is the de-facto general-purpose distributed data-processing engine of the 2010s — a Scala/Java dataflow runtime with rich, safe higher-level abstractions (Spark SQL,…
Apache Thrift — Apache Thrift (thrift.apache.org) is an open-source interface description language (IDL) and RPC/serialization framework,…
Apache Tornado — Apache Tornado (tornadoweb.org) is a Python asynchronous web framework and networking library. Provides a non-blocking network I/O model (similar in spirit to Node.js's event loop)…
Apache YARN — Apache YARN (Yet Another Resource Negotiator) is the resource manager and job scheduler that sits at the heart of Apache Hadoop.…
Apache Yunikorn — Apache Yunikorn is an open-source resource scheduler originally developed by Cloudera and donated to the Apache Software Foundation…
Apache Zeppelin — Apache Zeppelin is an open-source web-based notebook for interactive data analytics. It supports multiple language interpreters in a single notebook (Spark, SQL, Python, PySpark,…
Apache ZooKeeper — Apache ZooKeeper is a long-running distributed-coordination service providing strongly-consistent hierarchical key-value storage (the zNode tree),…
API Catalog (RFC 9727) — API Catalog (RFC 9727, published 2025) is an IETF standard that specifies a fixed well-known URL — /.well-known/api-catalog…
Apollo Federation — Apollo Federation is Apollo's architecture for composing a single unified GraphQL schema (supergraph) from many independently-owned GraphQL services (subgraphs).…
App Store Connect — App Store Connect is Apple's developer portal for distributing iOS apps through the App Store, including submission, review, and phased release controls.
ArangoDB — ArangoDB is an open-source multi-model database combining document, graph, and key-value data models under a single query language (AQL — ArangoDB Query Language).…
ARC — Anonymous Rate-Limit Credentials — ARC (Anonymous Rate-Limit Credentials) is an IETF Privacy Pass WG draft — draft-ietf-privacypass-arc-protocol — that extends Privacy Pass with rate-limit semantics: origins can…
ArchUnit — ArchUnit (archunit.org) is a popular OSS Java library for enforcing architectural code rules as part of a JUnit suite. It analyzes compiled JVM bytecode via ASM and exposes…
Arctic Wolf security telemetry table — The Arctic Wolf security telemetry table is [Arctic Wolf]'s production 3.8+ PB Delta Lake table on Unity Catalog managed tables ingesting 1+ trillion events per day,…
Argo Workflows — Argo Workflows is a Kubernetes-native open-source workflow engine (CNCF project) for orchestrating parallel jobs on Kubernetes. Each step runs as a Kubernetes pod.
ArgoCD — ArgoCD is a CNCF-graduated GitOps continuous-delivery controller for Kubernetes. A Git repository declares the desired state of a set of Kubernetes manifests (Deployments,…
ARM64 ISA (AArch64) — ARM64 (also called AArch64) is ARM's 64-bit instruction set architecture. A fixed-length 4-byte ISA: every instruction is exactly 32 bits.…
Armeria — Armeria is an open-source asynchronous microservice framework for the JVM (originally from LINE). Supports HTTP/1, HTTP/2, gRPC, Thrift,…
Arpio — Arpio is a third-party SaaS product (AWS Resilience Competency Partner) that provides full-workload discovery + backup + cross-Region cross-account recovery for AWS workloads.…
ArtifactFS — ArtifactFS (github.com/cloudflare/artifact-fs) is Cloudflare's open-source filesystem driver that mounts a Git repository as a local filesystem…
Asiatech (AS43754) — Asiatech is an Iranian Internet service provider operating as Autonomous System 43754 (AS43754). Prior to January 2026, it was one of the two largest IPv6-announcing ASes in Iran…
Ask Maps — Ask Maps is a Google Maps feature that "allows people to ask complex, longer questions in Google Maps" — a Gemini-powered conversational interface layered on top of Maps'…
Ask YouTube — Ask YouTube is a YouTube feature "which helps users find videos and information easily" — a Gemini-powered conversational discovery interface layered on top of YouTube's catalog…
ASM bytecode toolkit — ASM (asm.ow2.io) is the de-facto OSS JVM bytecode framework, hosted by the OW2 consortium. It provides both a low-level event-driven visitor API and a tree-based object model…
ASPA (Autonomous System Provider Authorization) — ASPA is an IETF SIDROPS working-group draft standard (draft-ietf-sidrops-aspa-verification) for BGP path validation. It extends RPKI…
Astro — Astro is a Vite- based web framework optimised for content-heavy / mostly-static sites. Islands architecture (render static HTML by default,…
Atlas CLI — Atlas CLI (atlasgo.io) is an open-source schema-management tool from Ariga for relational databases. It treats the database schema as a file — by convention an HCL document…
Atlas Global Clusters — Atlas Global Clusters is MongoDB Atlas's geographic-sharding feature, built on top of the MongoDB server's core sharding system.…
Atlas Hybrid Search (MongoDB native hybrid search functions) — Atlas Hybrid Search is MongoDB's native hybrid-search primitive — a first-class MongoDB Query API (MQL) aggregation-pipeline surface that combines Atlas Search (BM25 on Lucene…
Atlas Queryable Encryption — Atlas Queryable Encryption is MongoDB's industry-first searchable encryption scheme — a cryptographic + server-side index construction that lets applications run equality and range…
Atlas Vector Search — Atlas Vector Search is MongoDB's native vector similarity search capability, integrated directly into the MongoDB query engine rather than provided as a separate database product…
Atlassian Events Rail — Atlassian Events Rail (internally: webhooks-processor) is Atlassian's multi-tenant event evaluation, matching, and delivery platform.…
Atlassian Fireworks — Fireworks is Atlassian's internal Firecracker-microVM orchestrator on Kubernetes, the "secure execution engine behind Atlassian's AI agent infrastructure." It accepts an OCI…
Atlassian Jira Optimisation Tools — Atlassian Jira Optimisation Tools is a set of Jira Cloud admin experiences plus backend async workflows that help customers stay under the limits and guardrails Atlassian…
Atlassian Jira Site Optimiser — Site Optimiser is the Jira Cloud admin dashboard experience that "surfaces configuration issues and improvement opportunities across spaces." (Source:…
Atlassian Long Horizon — Atlassian's Long Horizon is a reasoning-native agent orchestrator that powers Rovo Chat. It replaced the Hybrid Orchestrator (a hierarchical multi-agent system with per-product…
Atlassian ML Studio — Atlassian ML Studio is Atlassian's unified enterprise-scale ML development platform that standardizes modular development, centralizes workflow orchestration,…
Atlassian Pre-computation Framework — The Pre-computation Framework is the platform-layer substrate at Atlassian Jira Cloud that owns "the workflow, task workers, batching, retries, and observability" for async,…
Atlassian StreamHub — StreamHub is Atlassian's central event streaming platform — the real-time data backbone powering clicks, impressions, API calls, CDC events,…
Atlassian Teamwork Graph — Atlassian's Teamwork Graph is Atlassian's named cross-product knowledge graph spanning Jira, Confluence, Bitbucket, and other Atlassian products.…
Aurora DSQL — Aurora DSQL is AWS's serverless distributed SQL database, announced at re:Invent 2024. It targets what prior generations of Aurora did not: a relational database that scales out…
Aurora Global Database — Amazon Aurora Global Database is AWS's cross-region read-replica cluster feature for Amazon Aurora. A "separate read-only Aurora cluster that your data will be replicated to"…
Aurora PostgreSQL Limitless Database — Amazon Aurora PostgreSQL Limitless Database is AWS's horizontally-scaled, PostgreSQL-compatible offering within the Aurora family: a single logical Postgres database…
AutoGen — AutoGen is Microsoft Research's open-source multi-agent conversation framework for LLMs (arXiv 2308.08155). On this wiki it appears as a named baseline for data-science-agent…
AV1 codec — AV1 (AOMedia Video 1) is the royalty-free video codec developed by the Alliance for Open Media (AOM) — a consortium whose founding members include Netflix, Google, Amazon, Meta,…
AWS Application Load Balancer (ALB) — AWS Application Load Balancer is the L7 (HTTP/HTTPS) load balancer offering in the AWS Elastic Load Balancing family. It performs TLS termination (typically with an ACM-issued…
AWS App Mesh — AWS App Mesh is AWS's first-generation, Envoy-based service mesh for ECS, EKS, Fargate, and EC2 workloads. It exposes a four-tier abstraction stack on top of ECS services (Mesh →…
AWS AppSync — AWS AppSync is AWS's managed GraphQL + Pub/Sub API service. Defines a GraphQL schema backed by pluggable resolvers (Lambda, DynamoDB, RDS, HTTP, OpenSearch, EventBridge).…
AWS Auto Scaling Groups — AWS Auto Scaling Groups (ASGs) are the AWS-native primitive for maintaining a pool of EC2 instances launched from a single launch template or configuration. ASGs provide:
AWS Backup logically air-gapped vault — The AWS Backup logically air-gapped vault is a vault type within AWS Backup that provides service-enforced deletion protection for backup recovery points.…
AWS Backup Restore Testing — AWS Backup Restore Testing is a feature of AWS Backup that automatically tests the recoverability of backups on a schedule by performing actual restore operations and reporting…
AWS Backup — AWS Backup is AWS's unified backup control plane — a single managed service that consolidates data-protection across AWS services behind one configuration / policy / vault surface.…
Amazon Bedrock AgentCore — Amazon Bedrock AgentCore is a framework-agnostic managed runtime for hosting AI agents in production. It supports agents built with Strands, LangChain, or custom Python,…
AWS CDK — AWS Cloud Development Kit (CDK) is AWS's imperative IaC framework: developers describe infrastructure in TypeScript / Python / Java / Go / .NET,…
AWS Certificate Manager (ACM) — AWS Certificate Manager (ACM) is the AWS service for issuing, managing, and renewing TLS/SSL certificates. ACM provides:
AWS Cloud Map — AWS Cloud Map is AWS's service-discovery registry: customers create a namespace (the logical boundary), register service instances under it,…
AWS CloudFormation — AWS CloudFormation is AWS's native declarative Infrastructure-as-Code service: YAML/JSON templates describe a desired set of AWS resources;…
AWS CloudTrail — AWS CloudTrail is the AWS service that records API activity across the AWS account — every control-plane call (creating an EC2 instance, modifying an IAM policy,…
Amazon CloudWatch — Amazon CloudWatch is AWS's managed observability service for metrics, logs, and alarms across AWS services and customer applications.…
AWS CodePipeline — AWS CodePipeline is AWS's managed CI/CD-pipeline service — sourced by CodeCommit/GitHub/S3, building via CodeBuild (or arbitrary integrations),…
AWS Config — AWS Config is AWS's resource-configuration tracking and compliance-evaluation service — records resource state history, evaluates Config Rules against resources,…
AWS Control Tower — AWS Control Tower is AWS's governance service on top of AWS Organizations — a higher-level UX for setting up and managing secure,…
AWS Cost Explorer — AWS Cost Explorer is AWS's cost-analysis UI + API over the billing data exposed by AWS Organizations' consolidated billing.…
AWS Common Runtime (CRT) — The AWS Common Runtime (CRT) is a C-based library that implements AWS best-practice network / request behaviour — connection pooling, request parallelization, retry with jitter,…
AWS Deep Learning AMI (DLAMI) — The AWS Deep Learning AMI is an AWS-maintained Amazon Machine Image preconfigured with GPU-oriented ML software (CUDA, cuDNN, NCCL, PyTorch / TensorFlow builds) for EC2 instances.…
AWS DevOps Agent — AWS DevOps Agent is AWS's fully managed autonomous AI agent for EKS (and broader AWS) incident investigation and preventive recommendations.…
AWS Direct Connect — AWS Direct Connect is AWS's dedicated private network connection service — layer-2/3 circuits terminating in AWS Direct Connect Points of Presence (PoPs),…
AWS Distro for OpenTelemetry (ADOT) — AWS Distro for OpenTelemetry (ADOT) is AWS's open-source distribution of OpenTelemetry — production-ready agents, language SDKs, and Collector builds maintained by AWS,…
Amazon EBS (Elastic Block Store) — Amazon Elastic Block Store (EBS) is AWS's network-attached block-storage service for EC2 instances — launched Aug 20, 2008, ~two years after EC2.…
Amazon EC2 G7e instance family — Amazon EC2 G7e is the GPU-memory-optimised inference instance family in EC2, built around the NVIDIA RTX PRO 6000 Blackwell GPU with 96 GB of GPU memory.…
Amazon EC2 (Elastic Compute Cloud) — Amazon EC2 (launched beta 2006) is AWS's virtual-machine compute service. Its runtime experience is tightly coupled to aws-ebs for system disks and to the networking/storage…
Amazon ECS agent (ecs-agent) — The Amazon ECS agent (amazon/amazon-ecs-agent:latest) is the per-host daemon that joins an EC2 instance to an Amazon ECS cluster and runs containerised tasks on behalf of ECS.…
Amazon ECS Service Connect — Amazon ECS Service Connect is AWS's current-generation, fully managed service-mesh layer for ECS workloads. Introduced at re:Invent 2022,…
Amazon EFS (Elastic File System) — Amazon EFS (Elastic File System) is AWS's managed NFSv4 network filesystem service — an elastic, multi-AZ, POSIX-semantics filesystem accessible from EC2, containers, and Lambda.…
AWS EKS (Elastic Kubernetes Service) — Amazon EKS (Elastic Kubernetes Service) is AWS's managed Kubernetes control plane — AWS runs the API server, etcd, and the core controllers;…
AWS Elastic Disaster Recovery (AWS DRS) — AWS Elastic Disaster Recovery (AWS DRS) is AWS's managed service for continuous block-level replication of server workloads (EC2 instances, on-prem servers,…
AWS ElastiCache — AWS ElastiCache is AWS's managed in-memory cache service, supporting the Redis and Memcached engines. Removes the operational burden of running Redis/Memcached clusters directly…
AWS Elemental MediaLive — AWS Elemental MediaLive is an AWS managed live video encoding service. It ingests a source stream (over RTP / RTMP / HLS / SRT / other protocols),…
AWS ENA driver (Elastic Network Adapter) — The ENA Linux kernel driver (amzn/amzn-drivers) is the standard Linux network driver for AWS EC2 instance types using Elastic Network Interfaces (ENIs).…
AWS European Sovereign Cloud — AWS European Sovereign Cloud is AWS's EU-resident cloud partition — "a partition built entirely within the EU, launched in 2026" (Source:…
AWS EventBridge — AWS EventBridge is AWS's serverless event bus service for routing events between AWS services, SaaS applications, and custom applications.…
AWS Fargate — AWS Fargate is AWS's serverless container runtime — a compute engine for containers where AWS operates the underlying hosts and the customer provides only the container image +…
AWS Fault Injection Service — AWS Fault Injection Service (FIS) executes controlled chaos experiments with built-in safety mechanisms on AWS infrastructure.…
Amazon FSx — Amazon FSx is AWS's managed file-storage family for purpose- specific filesystems beyond the generic NFS provided by EFS: Windows File Server (SMB), Lustre (HPC),…
AWS Glue for Ray — AWS Glue for Ray is AWS's managed serverless ray runtime, a subflavor of aws-glue. Announced as part of making Ray accessible without building your own serverless-job management…
AWS Glue — AWS Glue is AWS's serverless ETL + data-catalog offering. It bundles a Hive-Metastore-compatible catalog (the "Glue Data Catalog") and a serverless Spark runtime (and more recently…
AWS GovCloud (US) — AWS GovCloud (US) is AWS's US-public-sector partition. "Launched in 2011, [it] supports US public sector customers with compliance needs such as FedRAMP and ITAR." (Source:…
AWS Health Dashboard — The AWS Health Dashboard (health.aws.amazon.com) is Amazon Web Services' official service-health disclosure surface. It publishes first-party,…
AWS IAM Access Analyzer — AWS IAM Access Analyzer is the AWS service that uses automated reasoning to identify resources accessible from outside an AWS account / Organization, surface unintended access,…
AWS IAM Identity Center — AWS IAM Identity Center (formerly AWS SSO) is the AWS service for centralised workforce identity management across an AWS Organization.…
AWS Identity and Access Management (IAM) — AWS Identity and Access Management (IAM) is AWS's per-partition authorization system — the service that evaluates whether a given principal is allowed to take a given action…
AWS Image Builder — AWS Image Builder is an AWS service for building, testing, and distributing machine images (AMIs). It provides an automated pipeline for creating golden images with built-in…
AWS IoT Greengrass — AWS's managed edge runtime and deployment orchestration service. Handles model packaging, versioning, and lifecycle management for edge devices without requiring persistent…
AWS KMS — AWS Key Management Service (KMS) is AWS's managed key-management service. It hosts customer keys (HSM-backed), exposes Wrap/Unwrap / Encrypt/Decrypt / Sign APIs under IAM,…
AWS Lambda SnapStart — Lambda SnapStart (launched 2022) is AWS Lambda's snapshot-based cold-start acceleration, built on Firecracker VM snapshotting.…
AWS Lambda — AWS Lambda is AWS's function-as-a-service compute platform, launched Nov 2014. Runs customer code in stateless invocations on AWS-managed infrastructure,…
AWS Managed Flink (Managed Service for Apache Flink) — AWS Managed Service for Apache Flink (formerly Kinesis Data Analytics for Apache Flink) is AWS's managed runtime for Apache Flink jobs.…
AWS Multi-party approval (MPA) — AWS Multi-party approval (MPA) is an AWS service primitive that requires a predefined set of approvers — configured via IAM Identity Center…
AWS Network Firewall — AWS Network Firewall is a managed stateful network firewall deployable as a VPC endpoint: incoming and outgoing traffic routed through it is filtered against Suricata-compatible…
AWS Nitro SSD — AWS Nitro SSD is Amazon's in-house custom SSD, with its firmware/hardware stack tailored specifically to the needs of aws-ebs (and IO-intensive EC2 instances).…
AWS Network Load Balancer (NLB) — AWS Network Load Balancer is the Layer-4 TCP/UDP member of Elastic Load Balancing: a fleet-scaled TCP proxy that routes connections from one or more front-end listeners (on Elastic…
Amazon CloudWatch Observability Access Manager (OAM) — Amazon CloudWatch Observability Access Manager (OAM) is AWS's native primitive for cross-account CloudWatch observability.…
AWS Organizations — AWS Organizations is the AWS service that manages multiple AWS accounts as a tree of organizational units (OUs), with policy inheritance (Service Control Policies / SCPs),…
AWS Systems Manager Parameter Store — AWS Systems Manager Parameter Store is the configuration-store subsystem of AWS Systems Manager. It's a managed hierarchical key-value store for configuration values…
AWS Performance Insights — AWS Performance Insights is the managed observability surface Amazon RDS exposes for database performance monitoring. It collects time-series metrics at two altitudes…
AWS policy interpreter (IAM / Cedar) — AWS's authorization engine — the component that evaluates whether a given principal is allowed to take a given action on a given resource under a given set of policies.…
AWS Private CA (AWS Certificate Manager Private Certificate Authority) — AWS Private CA (AWS Certificate Manager Private Certificate Authority, AWS PCA) is AWS's managed private certificate authority.…
AWS PrivateLink — AWS PrivateLink exposes AWS services and customer-operated services as interface VPC endpoints that can be consumed from a consumer VPC over the AWS private network…
AWS RDS Proxy — Amazon RDS Proxy is a fully-managed, highly available proxy layer for Amazon RDS and Amazon Aurora databases. It speaks the MySQL / Postgres wire protocol on both sides…
AWS RDS — Amazon RDS (Relational Database Service) is AWS's managed-relational- database offering, covering MySQL, Postgres, MariaDB, SQL Server, and Oracle.…
AWS Resilience Hub — AWS Resilience Hub is the central orchestration service for defining resilience policies, running assessments, and tracking improvements across AWS workloads.…
AWS Resource Access Manager (RAM) — AWS Resource Access Manager (RAM) is the AWS service that shares resources across AWS accounts without requiring resource duplication.…
Amazon Route 53 — Amazon Route 53 is AWS's managed DNS service. It hosts public DNS zones for customer domains and private hosted zones scoped to VPCs.…
Amazon S3 Glacier — S3 Glacier is the cold-storage class family within Amazon S3 for archival data — objects stored for long durations with infrequent access.…
Amazon S3 Intelligent Tiering — S3 Intelligent Tiering (IT) is an Amazon S3 storage class that automatically moves objects between access tiers based on observed access age…
Amazon S3 (Simple Storage Service) — Amazon S3 is AWS's foundational object storage service, launched March 14, 2006 as the first public AWS service. By early 2025 it holds hundreds of trillions of objects across 36…
Amazon SageMaker AI — Amazon SageMaker AI is AWS's unified managed ML platform, launched in 2017 with the stated mission of "put[ting] machine learning in the hands of any developer,…
Amazon SageMaker Batch Transform — Amazon SageMaker Batch Transform is AWS's managed batch- inference runtime within the SageMaker AI family. Runs a model over a large input dataset in S3,…
Amazon SageMaker Endpoint — Amazon SageMaker Endpoint is AWS's managed model-serving surface within the SageMaker AI family. Two deployment shapes:
Amazon SageMaker Feature Store — Amazon SageMaker Feature Store is a managed repository inside SageMaker AI for storing, updating, and retrieving machine-learning feature vectors.…
Amazon SageMaker Ground Truth — Amazon SageMaker Ground Truth is AWS's managed data-labeling service within the SageMaker AI family: defines labelling jobs + assigns them to a workforce (public / private /…
Amazon SageMaker HyperPod — Amazon SageMaker HyperPod is the large-scale distributed-training / inference compute substrate under aws-sagemaker-ai. It targets workloads that run across hundreds to thousands…
Amazon SageMaker AI Pipelines — Amazon SageMaker AI Pipelines is AWS's managed ML-workflow orchestration service within the SageMaker AI family. Pipelines are defined as a directed graph of steps (data prep,…
AWS SageMaker Studio — SageMaker Studio is AWS's web-based IDE for ML development, part of the SageMaker AI product line. It hosts JupyterLab notebooks, code editors,…
AWS SAM (Serverless Application Model) — AWS Serverless Application Model (SAM) is AWS's open-source framework for defining + deploying serverless applications. A SAM template is a superset of CloudFormation…
AWS SDK retry — AWS SDK retry is the built-in client-side retry behaviour shipped with the AWS SDKs (v2 across Java, Python/boto3, Go, JavaScript, .NET, Ruby).…
AWS Secrets Manager — AWS Secrets Manager is AWS's managed service for storing, retrieving, and rotating secrets — API keys, database passwords, third-party credentials,…
AWS Security Hub — AWS Security Hub is AWS's security-posture aggregation service — centralizes findings from GuardDuty, Inspector, Macie, Config, and third-party tools;…
AWS Security Incident Response (SIR) — AWS Security Incident Response (SIR) is an AWS service that provides coordinated triage and response support for security events.…
Amazon SNS — Amazon SNS (Simple Notification Service) is AWS's managed pub/sub fanout messaging service. Publishers post to a topic; subscribers (SQS queues, Lambda functions, HTTP endpoints,…
AWS SQS — Amazon SQS (Simple Queue Service) is AWS's managed message queue: durable, at-least-once delivery, essentially unlimited scale, with standard and FIFO variants.…
AWS Scalable Reliable Datagram (SRD) — SRD is Amazon's in-house non-TCP datacenter transport protocol. Described in the 2022 AWS HPC blog post "In the search for performance,…
AWS CloudFormation StackSets — AWS CloudFormation StackSets is the CloudFormation feature that deploys a single CloudFormation template as parallel stacks into many target AWS accounts and Regions at once,…
AWS Step Functions — AWS Step Functions is AWS's managed serverless workflow / state-machine service. Workflows are defined declaratively in Amazon States Language (ASL);…
AWS Security Token Service (STS) — AWS Security Token Service (STS) is the AWS service that mints short-lived credentials for IAM principals — the output of AssumeRole, AssumeRoleWithSAML,…
AWS Systems Manager (SSM) — AWS Systems Manager (SSM) is AWS's managed-instance control plane — a family of sub-services sharing the ssm API surface, most of which are orthogonal to this wiki's focus.…
AWS Transit Gateway — AWS Transit Gateway is AWS's regional network transit hub — a hub-and-spoke router that interconnects multiple VPCs, VPN connections,…
Amazon VPC Lattice — Amazon VPC Lattice is AWS's application-networking service positioned as the recommended replacement for customers running AWS App Mesh on EKS / Kubernetes.…
AWS VPC Resolver — The AWS VPC Resolver (also called AmazonProvidedDNS or the .2 resolver) is the DNS resolver AWS exposes inside every VPC,…
Amazon VPC Route Server — Amazon VPC Route Server is an AWS networking primitive that speaks BGP inside a VPC and propagates dynamically-learned routes into AWS-native VPC route tables.…
AWS WAF (Web Application Firewall) — AWS WAF is AWS's managed web-application firewall. Inspects HTTP(S) traffic at CloudFront, API Gateway, ALB, or App Runner endpoints;…
AWS X-Ray — AWS X-Ray is AWS's managed distributed-tracing service — service-map visualization, request-path tracing across AWS services,…
@axe-core/playwright — axe-core/playwright is Deque Systems' official binding from Axe Core into Playwright. It ships as an npm package that exposes an AxeBuilder class: a chainable builder…
Axe Core — Axe Core is Deque Systems' open-source accessibility rule engine — a JavaScript library that audits a rendered DOM for WCAG (Web Content Accessibility Guidelines) and best-practice…
Azure Cosmos DB — Azure Cosmos DB is Microsoft's globally-distributed, multi-model NoSQL database. Its internal architecture was publicly described in the 2022 InfoQ piece "Azure Cosmos DB: Low…
Azure Key Vault — Azure Key Vault is Microsoft Azure's managed secrets, keys, and certificates service. It is the Azure endpoint of the Customer-Managed Key pattern,…
Backstage — Backstage is an open-source Internal Developer Portal (IDP) framework originally built by Spotify and now a CNCF incubating project.…
BastionZero — BastionZero was a zero-trust infrastructure-access company that built the original (closed-source) OPKSSH implementation.
BayesQO — BayesQO is an offline query optimizer that applies Bayesian optimization to the join- order search problem. Given a query and a fixed iteration budget,…
bazel-remote — bazel-remote is an OSS implementation of the Bazel remote cache gRPC protocol, typically deployed as a local sidecar on each CI worker with a shared object-store (S3, GCS,…
Bazel — Bazel (Google-originated, OSS) is a hermetic, content-addressed, multi-language build system designed for large monorepos.…
BBRv3 — BBRv3 is the third iteration of BBR (Bottleneck Bandwidth and Round-trip propagation time) — Google's model-based congestion-control algorithm.…
Bedrock AgentCore — AWS's agent-runtime service for deploying agentic AI systems inside mechanically-enforced capability envelopes. AgentCore mediates agent actions — tool calls, outputs,…
Bedrock Guardrails — automated reasoning checks — A 2025/2026-era capability within Amazon Bedrock Guardrails that lets customers formally verify the correctness of AI outputs against a specification.…
BERT — BERT ("Bidirectional Encoder Representations from Transformers") is Google's 2018 transformer-encoder pre- training architecture.…
BewAIre — BewAIre is Datadog's LLM-driven malicious-PR detection pipeline. It continuously ingests GitHub events across internal + external repositories (≈10,000 PRs per week),…
BGPKIT monocle — monocle is an open-source BGP command-line tool from BGPKIT. It queries precomputed datasets derived from public route-collector feeds (RIPE RIS, RouteViews,…
Big Pineapple — Big Pineapple is Cloudflare's in-house recursive DNS resolver. It is the software that powers 1.1.1.1, 1.1.1.1 for Families, Gateway DNS, and DNS Firewall — i.e.…
Bitbucket Merge Queues — Bitbucket Merge Queues is Atlassian's pre-merge validation queue for Bitbucket Cloud repositories. Its job is to prevent semantic merge conflicts…
Bitbucket Pipelines — Atlassian's hosted CI/CD product, integrated directly with Bitbucket. On the sysdesign-wiki, the relevant surface is its role as an automated quality gate that the Rovo Dev agent…
Bitbucket — Bitbucket (Bitbucket Cloud) is Atlassian's hosted git-repository product. It hosts source code, pull requests, and code-review flows,…
Bitcoin P2P gossip — The Bitcoin P2P network propagates transactions and blocks across a fully-decentralised peer-to-peer mesh via a flood-and-gossip protocol…
Bits AI SRE evaluation platform — The Bits AI SRE evaluation platform is the offline, replayable test harness for Datadog's Bits AI SRE agent. Not the agent itself…
Bits AI SRE — Bits AI SRE is Datadog's hosted SRE agent — a web-UI agent purpose-built to investigate alerts and suggest remediations. Named in the datadog-mcp-server design retrospective…
blazesym — blazesym is an open-source multi-language symbolization library — converts instruction addresses into function + file + line + type info.…
BM25 — BM25 (Best Matching 25, Okapi BM25) is the standard lexical retrieval scoring algorithm — a probabilistic extension of TF-IDF with saturating term-frequency and length…
BoltDB — BoltDB (github.com/boltdb/bolt) is an embedded key-value store for Go, modelled after LMDB: a single B+tree in an mmap'd file, single-writer / many-reader,…
Borg — Borg is Google's large-scale cluster-management system — the platform that packs jobs onto machines across Google's fleet, enforcing isolation, reclaiming resources,…
BoringSSL — BoringSSL (github.com/google/boringssl) is Google's fork of OpenSSL — a TLS/crypto library designed for Google's specific needs.…
Bottlerocket — Bottlerocket is AWS's open-source, container-optimised Linux distribution — a minimal OS (no shell by default, no package manager,…
bpftrace — bpftrace is an open-source high-level tracing language for Linux eBPF, modelled on DTrace and SystemTap. Source: github.com/bpftrace/bpftrace.…
Bref — Bref is an open-source project by Matthieu Napoli that provides PHP runtime support on AWS Lambda, including pre-built Lambda runtime layers, a Serverless Framework integration,…
Bright Data — Bright Data is a commercial web-scraping infrastructure provider that captures real-time information from across the public internet at industrial scale.…
Buck2 — Buck2 is Meta's large-scale open-source build system (the Rust-based successor to the original Buck). It is the build system for Meta's monorepo and was open-sourced in April 2023…
Buildkite — Buildkite is a commercial hosted CI orchestrator: the control plane / UI / job-scheduler is hosted; agents (the workers that actually run steps) are customer-owned…
Bun — Bun (bun.com) is a JavaScript and TypeScript runtime, bundler, test runner, and package manager, built in Zig. Positioned as a Node.js-API-compatible alternative,…
Cadence (Uber) — Cadence (cadenceworkflow.io) is the durable-workflow engine originally built at Uber. A user writes workflow logic as ordinary code;…
Caffeine (Java in-process cache) — Caffeine (github.com/ben-manes/caffeine) is a high-performance Java 8+ in-process cache library by Ben Manes. It is widely used as the default JVM local-cache primitive…
callstack/react-native-brownfield — callstack/react-native-brownfield is an open-source npm package from Callstack that generalises the "React Native as a package" integration pattern…
CanopyCheck — CanopyCheck is Dropbox's narrowly-scoped randomized property-based testing framework for the Nucleus planner. Named after QuickCheck,…
CANTV (AS8048) — CANTV — Compañía Anónima Nacional Teléfonos de Venezuela — is Venezuela's state-run telephone and Internet Service Provider,…
Canva CI — Canva CI is Canva's internal continuous-integration system: a Buildkite-orchestrated, Bazel-centric pipeline running on AWS EC2 worker pools.…
Canva Print Routing Engine — Canva Print Routing Engine decides, for every Canva Print checkout, which suppliers in Canva's global print network produce which items in the cart and how shipments are grouped.…
Canva Usage-Counting Pipeline — Canva's usage-counting pipeline tracks content-usage events (templates, images, videos) across the Canva Creators program to compute how much each creator gets paid.…
Cap'n Proto — Cap'n Proto (capnproto.org) is an RPC protocol and serialization format created by Kenton Varda ~2013. It was the first widely-deployed system to combine object-capability RPC…
Cap'n Web — Cap'n Web is a pure-TypeScript object-capability RPC library from Cloudflare (GitHub, MIT, announced 2025-09-22). Minify+gzip is under 10 kB with no dependencies;…
Capsight — Capsight is Instacart's end-to-end ML data platform for the Caper smart-cart fleet. It converts the deployed fleet into a distributed data-collection system that improves its own…
Cascade ASR — Cascade ASR is Google Research's label for the production-standard voice search architecture that has defined the field for most of its history:
casefold (Rust crate) — casefold is a Rust crate open-sourced by GitHub that performs Unicode simple case-folding at memory-bandwidth speed. It implements the simple (1-to-1) folds from Unicode's…
Cash App — Cash App is Block's peer-to-peer / digital-wallet payment service. Surfaced on the wiki as one of four named non-card payment methods covered by Stripe Radar's cross-…
Cassandra Source Connector (Yelp) — The Cassandra Source Connector (CSource) is a Yelp in-house CDC system that streams row-level changes from Cassandra into Yelp's data pipeline,…
Catalina (Meta OCP AI rack) — Catalina is Meta's next-generation high-powered AI rack, announced at OCP Global Summit 2024. It is built on the NVIDIA Blackwell platform full rack-scale solution,…
CatBoost — CatBoost is a gradient-boosted decision-tree library originated at Yandex. Distinguishing design choices (from the original release): native support for categorical features…
cdnjs — cdnjs (cdnjs.com) is a free, open-source content delivery network for JavaScript and CSS libraries. Users drop a