All Projects

Production-grade engineering skills for AI coding agents, mapped to the development lifecycle -- spec, plan, build, test, review and ship.

Actively maintained

• AI Agents & Agent Tools

Python SDK for AI agent monitoring, LLM cost tracking and benchmarking, integrating with most major agent frameworks including CrewAI, LangChain and AutoGen.

Permissive license

• AI Agents & Agent Tools

AI pair programming in your terminal -- Aider edits code in your local git repo, running tests and committing changes as it goes.

Well documented

• AI Agents & Agent Tools

Data orchestration layer that sits between compute engines and storage systems, caching data for faster, unified access across the two.

Actively maintained

• Storage

Radically simple IT automation platform for configuration management, deployment and orchestration.

Actively maintained

• DevOps

Enterprise-class UI design language and React component library, with a large set of high-quality components for building data-heavy admin and business applications.

Actively maintained

• UI & Components

Anthropic's public repository of Agent Skills -- example skills, the Agent Skills specification and a starter template for teaching agents repeatable tasks.

Actively maintained

• AI Agents & Agent Tools

Dynamic, high-performance API gateway built on NGINX and etcd, adding hot-reloaded plugins, canary releases, and AI-traffic routing on top of traditional gateway features.

Actively maintained

• API

Distributed event streaming platform that stores data as a durable, replayable log, built for high-throughput real-time pipelines rather than traditional point-to-point queuing.

Actively maintained

• Backend

Distributed messaging and streaming platform built for financial-grade transactional reliability at very high throughput.

Actively maintained

• Backend

Open-source backend platform providing authentication, databases, storage, functions and realtime APIs, self-hosted or as a managed cloud service.

Actively maintained

• Backend
• Database
• Authentication & Security

The leading GitOps continuous delivery tool for Kubernetes, automatically syncing your cluster state to match what's defined in git.

Actively maintained

• DevOps

Event-driven automation framework for Kubernetes that triggers workflows, functions, or other actions in response to events from any source.

Actively maintained

• Automation

Kubernetes-native workflow engine that runs each step of a pipeline as a container, orchestrating parallel jobs and multi-step DAGs directly on a cluster.

Actively maintained

• Automation

Open-source authentication library built on standard Web APIs, supporting OAuth, email/passwordless and credential-based sign-in for any JavaScript framework or runtime.

Well documented

• Authentication & Security

Self-hosted single sign-on and two-factor authentication portal that sits in front of your reverse proxy to protect existing web apps.

Actively maintained

• Authentication & Security

Open framework for building an internal developer portal, unifying a company's services, infrastructure, and documentation behind one searchable software catalog.

Actively maintained

• Developer Tools

Open-source Laravel ecommerce and multi-vendor marketplace platform for building single-vendor stores, B2B commerce, or marketplaces.

Actively maintained

• E-commerce

Unified programming model for defining batch and stream data processing pipelines that can run portably across multiple execution engines.

Actively maintained

• Analytics

A library that lets AI agents control a real web browser -- clicking, typing, navigating and reading pages -- to complete tasks that require the open web.

Actively maintained

• AI Agents & Agent Tools

Self-hosted, open source cryptocurrency payment processor with no fees and no middleman.

Actively maintained

• Payments

Cloud Native Buildpacks build production-ready container images directly from application source code, without writing a Dockerfile.

Actively maintained

• Developer Tools

Modern web server and reverse proxy with automatic HTTPS by default, built for simplicity compared to traditional web server configuration.

Actively maintained

• DevOps

Open-source framework for research and building systems of multiple communicating, role-playing AI agents that collaborate autonomously.

Actively maintained

• AI & Machine Learning

Open source native runtime for building web apps that run as genuinely native apps on iOS and Android, and installable PWAs on the web, with a plugin system for native device APIs.

Actively maintained

• Mobile

Open-source access-control library implementing ACL, RBAC, and ABAC authorization models, with production-ready ports for Go, Java, Python, Node.js, and more.

Actively maintained

• Authentication & Security

Distributed wide-column NoSQL database designed for massive scale and zero single point of failure across multiple data centers.

Actively maintained

• Database

Industry-standard distributed storage system providing object, block, and file storage from a single unified cluster.

Actively maintained

• Storage

Automates issuing, renewing, and managing TLS certificates for Kubernetes applications, eliminating manual certificate handling.

Actively maintained

• DevOps

Cloud-native chaos engineering platform for Kubernetes that injects controlled faults - pod, network, I/O, and more - to test how a system actually behaves under failure.

Actively maintained

• Testing

Open-source customer support platform -- live chat, email, social and messaging channels in one shared inbox, as a self-hostable alternative to Intercom and Zendesk.

Actively maintained

• Chat & Messaging

eBPF-based networking, security, and observability platform for Kubernetes that replaces traditional networking components with kernel-level performance.

Actively maintained

• DevOps

Turns any professional software into an agent-native CLI tool via a single pip install, so AI agents can control real applications without fragile UI automation.

Actively maintained

• AI Agents & Agent Tools

Column-oriented database built for real-time analytical queries over massive datasets, generating aggregated reports in milliseconds rather than seconds or minutes.

Actively maintained

• Analytics

Autonomous coding agent available as an IDE extension, CLI assistant or SDK, with a human-in-the-loop approval workflow for every file change and command.

Actively maintained

• AI Agents & Agent Tools

CNCF specification and SDK collection for describing event data in a common, vendor-neutral format across systems and platforms.

Actively maintained

• Backend

Self-hosted platform for provisioning cloud development environments on your own infrastructure, giving every developer a consistent, disposable remote workspace.

Actively maintained

• Developer Tools

Declarative Kotlin UI framework from JetBrains for sharing UI code across Android, iOS, desktop and web, built on Jetpack Compose.

Actively maintained

• Mobile
• UI & Components

Powers 1000+ toolkits, tool search, context management and authentication so AI agents can actually take action, not just plan it.

Actively maintained

• AI Agents & Agent Tools

Industry-standard container runtime that manages the container lifecycle - image transfer, execution, and supervision - underneath Docker and Kubernetes.

Actively maintained

• DevOps

Node.js and TypeScript library for web scraping and browser automation, built to produce reliable crawlers that resist bot detection.

Actively maintained

• Developer Tools

Multi-agent orchestration framework for building teams of collaborating, role-based AI agents that work together autonomously to complete complex tasks.

Actively maintained

• AI & Machine Learning

Kubernetes-native control plane that lets you provision and manage cloud infrastructure - databases, networks, storage - using Kubernetes APIs.

Actively maintained

• DevOps

Distributed filesystem and object storage system built for cloud-native, large-scale data-intensive applications.

Actively maintained

• Storage

JavaScript end-to-end testing framework built for the modern web with fast, reliable testing.

Actively maintained

• Testing

Portable runtime that gives microservices building blocks - state management, pub/sub messaging, service invocation, and workflow - over a sidecar API in any language.

Actively maintained

• Backend

Git-based, open-source CMS for static site generators, editing content as files in your repository through a simple admin interface.

Actively maintained

• CMS

Open-source testing framework for evaluating LLM outputs, treating LLM application quality checks like conventional unit tests.

Actively maintained

• AI & Machine Learning

Deep learning optimization library from Microsoft for training and running very large models efficiently across multiple GPUs.

Actively maintained

• AI & Machine Learning

Open source data platform that wraps any SQL database with a dynamic API and an intuitive admin app.

Actively maintained

• CMS
• Backend
• API

Document parsing library that converts PDFs, Word docs, and other formats into clean, structured data ready for LLM and RAG pipelines.

Actively maintained

• AI & Machine Learning

Real-time analytics database built for sub-second queries over continuously streaming and historical event data at scale.

Actively maintained

• Analytics

Distributed search and analytics engine for all types of data, including text, numerical and geospatial.

Actively maintained

• Search

High-performance proxy built for cloud-native applications, serving as the foundational data plane for many modern service meshes and API gateways.

Actively maintained

• DevOps

Distributed, consistent key-value store that Kubernetes itself uses to store all cluster state, and a reliable building block for other distributed systems.

Actively maintained

• DevOps

Open source platform and toolchain for building universal native apps with React Native.

Actively maintained

• Mobile

CNCF runtime security tool that detects unexpected or malicious behavior in containers and hosts as it happens, using kernel-level monitoring.

Actively maintained

• DevOps

The industry-standard toolkit for recording, converting, and streaming audio and video in virtually any format.

Actively maintained

• Media

Progressive delivery operator that automates canary, blue-green, and A/B deployments for Kubernetes with automatic rollback on failure.

Actively maintained

• DevOps

Distributed stream processing engine for computing over continuous, unbounded data streams with exactly-once correctness guarantees.

Actively maintained

• Analytics

CNCF-graduated log collector that unifies data collection from many sources into a single, structured logging layer.

Actively maintained

• Monitoring

Google's UI toolkit for building natively compiled applications for mobile, web and desktop from a single codebase.

Actively maintained

• Mobile

GitOps continuous delivery tool for Kubernetes that keeps a cluster's state synchronized with a git repository, a genuine alternative to Argo CD.

Actively maintained

• DevOps

Load testing and network measurement tool built for microservices, reporting detailed latency percentiles under sustained load.

Actively maintained

• Testing

Distributed, ordered key-value store with strong ACID transaction guarantees, designed as a reliable storage substrate for other systems.

Actively maintained

• Database

Open source publishing and membership platform for blogs, newsletters and online publications.

Actively maintained

• CMS

Lightweight, self-hosted Git service with issue tracking, pull requests and CI integration.

Actively maintained

• Developer Tools

Open source platform for monitoring and observability, letting you query, visualize and alert on metrics.

Actively maintained

• Monitoring

Horizontally scalable log aggregation system, designed by the Grafana team to pair with Prometheus-style metrics using the same labels.

Actively maintained

• Monitoring

Time-series metrics storage and graphing system that has been a foundational building block of monitoring stacks for over a decade.

Actively maintained

• Monitoring

High-performance, open-source RPC framework that lets services call each other's functions directly across languages and networks.

Actively maintained

• API

Programming paradigm and library for controlling LLM generation with interleaved prompting, control flow, and constrained output in one program.

Well documented

• AI & Machine Learning

Self-hosted, CNCF-graduated container registry with built-in vulnerability scanning, image signing, and access control.

Actively maintained

• DevOps

Instant GraphQL and REST APIs on top of PostgreSQL and other databases, via Data Connectors.

Actively maintained

• Backend
• API
• Database

Open-source framework for building production-ready search and RAG (retrieval-augmented generation) applications with LLMs.

Actively maintained

• AI & Machine Learning

Completely unstyled, fully accessible UI components for React and Vue, built by the Tailwind CSS team to integrate with any styling approach.

Permissive license

• UI & Components

The standard package manager for Kubernetes, letting you define, install, and upgrade even complex applications as versioned, reusable charts.

Actively maintained

• DevOps

Lightweight, open-source API development ecosystem for building and testing REST, GraphQL, WebSocket, and other API requests, as an alternative to Postman.

Actively maintained

• Developer Tools
• API

Agent skills for AI/ML work on the Hugging Face Hub -- dataset creation, model training and evaluation, plus an hf CLI skill for core Hub operations.

Actively maintained

• AI Agents & Agent Tools

Open source payments orchestration platform that routes transactions across multiple payment processors with intelligent routing and a PCI-compliant, self-hostable core.

Actively maintained

• Payments

Fast, standalone server for resizing, processing, and converting images on the fly, acting as a drop-in replacement for in-app image processing code.

Actively maintained

• Media

Purpose-built time-series database for metrics, events, and real-time analytics at high write volumes.

Actively maintained

• Monitoring

Library for getting reliable, structured data output from LLMs using function-calling APIs and Pydantic models for validation.

Actively maintained

• AI & Machine Learning

Cross-platform UI toolkit for building iOS, Android and Progressive Web Apps with HTML, CSS and JavaScript, with first-class React, Angular and Vue integrations.

Actively maintained

• Mobile
• UI & Components

The leading service mesh for Kubernetes, adding traffic management, security, and observability to microservices without changing application code.

Actively maintained

• DevOps

CNCF distributed tracing platform for visualizing request flows across microservices, pinpointing exactly which service or call is responsible for latency or errors.

Actively maintained

• Monitoring

Free software media system that puts you in control of managing and streaming your media.

Actively maintained

• Media

Widely used open-source automation server with a large plugin ecosystem for building CI/CD pipelines and automating software delivery.

Actively maintained

• DevOps

Secure, self-hostable video conferencing built on WebRTC -- use it as a standalone meeting app or embed meetings in your own web or mobile application.

Actively maintained

• Chat & Messaging
• Media

Distributed POSIX filesystem that stores data on object storage like S3, combining familiar filesystem semantics with cloud-scale storage.

Actively maintained

• Storage

The standard web-based interactive computing environment for notebooks, code, and data, widely used across data science and research.

Actively maintained

• Developer Tools

Modern load and performance testing tool that lets developers script tests in JavaScript and run them from the command line, built for the DevOps and CI/CD era.

Actively maintained

• Testing

Kubernetes event-driven autoscaler that scales workloads based on the number of events needing processing, including scaling to zero.

Actively maintained

• DevOps

Kubernetes Efficient Power Level Exporter that measures and exposes the energy consumption of workloads running on a cluster.

Actively maintained

• Monitoring

Developer-centric API testing tool that records real API and database traffic with eBPF and turns it into test cases and data mocks automatically, with no code changes.

Actively maintained

• Testing

Declarative, YAML-based orchestration platform for scheduling and orchestrating data pipelines, ETL jobs, and business workflows.

Actively maintained

• Automation

Open source identity and access management solution with single sign-on, OAuth2 and OpenID Connect support.

Actively maintained

• Authentication & Security

Open source subscription billing and payments platform for running recurring revenue, invoicing and billing logic on your own infrastructure.

Actively maintained

• Payments

Kubernetes-native platform for building and running serverless applications, handling autoscaling (including scale-to-zero) and traffic management.

Actively maintained

• DevOps

Cloud-native API gateway that handles routing, load balancing, authentication, and traffic management for microservices, APIs, and LLM/MCP traffic.

Actively maintained

• API

Kubernetes-native platform for serving machine learning models at scale, standardizing model deployment across frameworks.

Actively maintained

• AI & Machine Learning

CIS Kubernetes Benchmark compliance checker that audits a cluster's configuration against official security best practices.

Actively maintained

• Testing

Kubernetes performance and scale testing tool that generates configurable cluster load to measure how a cluster behaves under stress.

Actively maintained

• Testing

Static analysis tool that scans Kubernetes YAML manifests and Helm charts for misconfigurations before they're ever deployed.

Actively maintained

• DevOps

Machine learning platform for Kubernetes that bundles pipelines, model training, hyperparameter tuning, and serving into one toolkit.

Actively maintained

• AI & Machine Learning

Open source system for automating deployment, scaling and management of containerized applications.

Actively maintained

• DevOps

Kubernetes security posture and compliance scanner that checks clusters against security frameworks and best practices.

Actively maintained

• DevOps

Kubernetes-native policy engine that lets you write and enforce policies using plain YAML instead of a separate policy language.

Actively maintained

• DevOps

Open-source usage-based billing and metering infrastructure for turning product usage - API calls, compute, tokens - into pricing, invoices, and revenue.

Actively maintained

• Payments

Framework for developing applications powered by large language models, agents and retrieval-augmented generation.

Actively maintained

• AI & Machine Learning

Build resilient, stateful agents as graphs -- explicit nodes and edges for control flow, rather than an implicit agent loop, for reliable long-running or multi-step workflows.

Actively maintained

• AI Agents & Agent Tools

A platform for building stateful agents with advanced memory that learns and self-improves over time, rather than resetting between conversations.

Actively maintained

• AI Agents & Agent Tools

Lightweight service mesh for Kubernetes focused on simplicity and low resource overhead, a genuine alternative to Istio.

Actively maintained

• DevOps

CNCF chaos engineering platform for Kubernetes that runs fault-injection experiments to validate how applications recover from failure.

Actively maintained

• Testing

High-performance C/C++ implementation for running LLM inference locally on consumer hardware, including CPUs, with minimal dependencies.

Actively maintained

• AI & Machine Learning

Data framework for connecting large language models to your own data - documents, databases, APIs - for retrieval-augmented applications.

Actively maintained

• AI & Machine Learning

Lightweight, distributed block storage for Kubernetes, designed to be simple to deploy and operate compared to heavier storage systems.

Actively maintained

• Storage

Horizontally scalable, distributed time-series database and metrics platform built at Uber for very large-scale monitoring.

Actively maintained

• Monitoring

Open-source search database for full-text, vector and hybrid search with real-time indexing, queried with SQL or a JSON HTTP API.

Actively maintained

• Search

Fully featured React components library with 100+ customizable components and 50+ hooks, plus packages for forms, dates, charts, notifications and rich text editing.

Actively maintained

• UI & Components

Open source web analytics platform giving full control and ownership of visitor data.

Actively maintained

• Analytics

Reference homeserver implementation of the Matrix open, federated messaging protocol, letting you self-host a chat server that interoperates with the rest of the Matrix network.

Actively maintained

• Chat & Messaging

Open-core, self-hosted team collaboration platform combining chat, workflow automation, voice calling and screen sharing, built on Go, React and PostgreSQL.

Actively maintained

• Chat & Messaging

Official reference implementations of the Model Context Protocol -- the open standard now adopted across OpenAI, Google, Microsoft and Anthropic for connecting agents to tools and data.

Actively maintained

• AI Agents & Agent Tools

Open source, headless commerce platform for building fast, customizable storefronts and backends.

Actively maintained

• E-commerce

Fast, open source search engine that is easy to integrate and delivers relevant results instantly.

Actively maintained

• Search

The memory layer for AI agents -- drop-in persistent memory infrastructure that remembers context across conversations and sessions.

Actively maintained

• AI Agents & Agent Tools

Open source vector database built for scalable similarity search and AI applications.

Actively maintained

• AI & Machine Learning
• Database

High-performance, S3-compatible object storage system for self-hosted and hybrid cloud deployments.

Well documented

• Storage

Open-source platform for managing the machine learning lifecycle: experiment tracking, model packaging, versioning, and deployment.

Actively maintained

• AI & Machine Learning

HTTP(S) mock server and proxy for testing that lets you simulate API responses, inspect live traffic, and inject failures.

Actively maintained

• Testing

Document-oriented NoSQL database designed for scalability and developer flexibility.

Actively maintained

• Database

Comprehensive library of React UI components implementing Google's Material Design.

Actively maintained

• UI & Components

Workflow automation platform that lets you connect apps and services with a visual, node-based editor.

Actively maintained

• Automation
• Developer Tools

Lightweight, high-performance messaging system for cloud-native applications, built around simplicity and low operational overhead.

Actively maintained

• Backend

Toolkit for adding programmable safety and behavioral guardrails to LLM-powered conversational applications.

Actively maintained

• AI & Machine Learning

Native graph database that stores and queries data as nodes and relationships, purpose-built for connected data problems.

Actively maintained

• Database

Real-time, per-second monitoring dashboard that auto-discovers metrics across your infrastructure with zero configuration.

Actively maintained

• Monitoring

Self-hosted productivity platform for file sync and share, collaboration and communication.

Actively maintained

• Storage

Automatic OpenTelemetry instrumentation platform that adds distributed tracing to applications without changing a single line of code.

Actively maintained

• Monitoring

Development tool that lets you code locally while running and debugging your application directly inside a remote Kubernetes cluster.

Actively maintained

• Developer Tools

Run large language models locally with a simple command-line interface and API.

Actively maintained

• AI & Machine Learning

General-purpose, CNCF-graduated policy engine for enforcing authorization, compliance, and configuration rules as code across microservices, APIs, Kubernetes, and CI pipelines.

Actively maintained

• DevOps

The standard open-source computer vision library, providing algorithms for image and video processing, analysis, and understanding.

Actively maintained

• AI & Machine Learning

Container-attached storage platform that provisions and manages persistent storage volumes directly within Kubernetes.

Actively maintained

• Storage

Relationship-based authorization engine inspired by Google Zanzibar, for modeling and enforcing fine-grained access control as a standalone service.

Actively maintained

• Authentication & Security

AI-driven software development platform where autonomous agents can modify code, run commands, browse the web, and call APIs to complete engineering tasks end to end.

Actively maintained

• AI Agents & Agent Tools

Real-time usage metering and billing for AI, API and DevOps products -- collects and aggregates millions of usage events to drive usage-based pricing, entitlements and invoices.

Actively maintained

• Payments

Apache-2.0 licensed distributed search and analytics engine, forked from Elasticsearch to guarantee a fully open-source alternative for full-text search and log analytics.

Actively maintained

• Search

Vendor-neutral pipeline for collecting, processing, and exporting traces, metrics, and logs from applications to any observability backend.

Actively maintained

• Monitoring

Community-driven, open-source fork of Terraform, created after HashiCorp moved Terraform to a non-open-source license in 2023.

Actively maintained

• DevOps

API-first, headless identity and user management server for cloud-native applications, covering login, registration, recovery, and profile management.

Actively maintained

• Authentication & Security

Library for constraining LLM output to a specific structure - JSON schema, regex, grammar - guaranteeing valid, parseable results.

Actively maintained

• AI & Machine Learning

TypeScript-first headless CMS and application framework with a built-in admin panel.

Actively maintained

• CMS

General-purpose, web standards-based platform for parsing and rendering PDFs in the browser.

Actively maintained

• Media

CNCF dashboarding tool for visualizing observability data, built around portable, version-controllable dashboard definitions.

Actively maintained

• Monitoring

eBPF-based observability platform that gives instant visibility into Kubernetes applications without any code changes or manual instrumentation.

Actively maintained

• Monitoring

Lightweight, open source and privacy-friendly alternative to Google Analytics.

Actively maintained

• Analytics

Reliable end-to-end testing and browser automation framework for modern web apps.

Actively maintained

• Developer Tools
• Testing

Open source backend consisting of an embedded SQLite database, authentication, file storage and a realtime API in a single executable.

Actively maintained

• Backend
• Database

Daemonless container engine that runs, builds, and manages containers as a drop-in Docker alternative, without a background root service.

Actively maintained

• Developer Tools

Open-source billing platform for selling software -- subscriptions, one-time purchases and usage-based pricing, with Polar acting as merchant of record for global sales tax.

Actively maintained

• Payments

A coding-agent skill that enforces YAGNI and minimal, pragmatic solutions -- installs into Claude Code, Cursor, Codex and 15+ other agent platforms.

Actively maintained

• AI Agents & Agent Tools

Lightweight web UI and API for managing Docker, Swarm, Kubernetes, and ACI container environments from a single dashboard.

Actively maintained

• DevOps

Powerful, open source object-relational database system with over 35 years of active development.

Actively maintained

• Database

Standalone web server that turns any PostgreSQL database directly into a RESTful API.

Actively maintained

• API
• Backend

Open source product analytics platform with feature flags, session replay and A/B testing.

Actively maintained

• Analytics

Python-native workflow orchestration platform for building, scheduling, and monitoring data pipelines with ordinary Python code.

Actively maintained

• Automation

Open-source ecommerce platform for building and running a self-hosted online store, with a full back office and a large module and theme marketplace.

Actively maintained

• E-commerce

Open source systems monitoring and alerting toolkit with a dimensional data model and powerful query language.

Actively maintained

• Monitoring

Open-source tool for testing and evaluating LLM prompts, comparing outputs across models and catching quality regressions before deployment.

Actively maintained

• AI & Machine Learning

Distributed messaging and streaming platform that unifies traditional queuing and event streaming with built-in multi-tenancy.

Actively maintained

• Backend

Type-safe agent framework from the team behind Pydantic, bringing familiar Python typing and validation patterns to LLM application development.

Actively maintained

• AI & Machine Learning

Open source machine learning framework that accelerates the path from research prototyping to production deployment.

Actively maintained

• AI & Machine Learning

Vector database and similarity search engine for building AI applications with embeddings.

Actively maintained

• AI & Machine Learning
• Database

Kubernetes-native Java framework designed for fast startup times and low memory footprint, tailored for containers and serverless.

Actively maintained

• Backend

Cloud-native search engine purpose-built for observability data, indexing logs and traces directly on object storage for cost-efficient search at scale.

Actively maintained

• Search

Mature, widely deployed message broker for decoupling services with reliable queues, routing, and pub/sub messaging across AMQP, MQTT, and STOMP.

Actively maintained

• Backend

Unstyled, accessible React component primitives for building your own design system instead of adopting a pre-styled one.

Actively maintained

• UI & Components

Framework for building native mobile apps for iOS and Android using React.

Actively maintained

• Mobile

In-memory data structure store used as a database, cache, message broker and streaming engine.

Actively maintained

• Database
• Storage

Open source team chat and collaboration platform that can be fully self-hosted.

Actively maintained

• Chat & Messaging

Kubernetes storage orchestrator that automates deploying, managing, and scaling storage systems like Ceph as native Kubernetes services.

Actively maintained

• Storage

Composable, GraphQL-first headless commerce platform built as a high-performance API for building custom storefronts and commerce experiences.

Actively maintained

• E-commerce

177 scientific and research skills for AI agents -- bioinformatics, cheminformatics, clinical research, data analysis and scientific writing, plus 100+ databases.

Actively maintained

• AI Agents & Agent Tools

Fast, high-level Python web scraping and crawling framework for extracting structured data from websites.

Actively maintained

• Developer Tools

Distributed data integration platform for moving and transforming data between databases, data lakes, and messaging systems at scale.

Actively maintained

• Backend

Distributed file and object storage system built to store and serve billions of files fast, speaking S3, POSIX, and lakehouse (S3 Tables) protocols.

Actively maintained

• Storage

Security testing orchestration platform that runs multiple open-source scanners against your applications and infrastructure from one pipeline.

Actively maintained

• Testing

Microsoft's open-source SDK for integrating large language models into applications, with support for plugins, memory, and planning.

Actively maintained

• AI & Machine Learning

Event-based monitoring and observability pipeline that gives teams full control over how monitoring events are processed and routed.

Actively maintained

• Monitoring

Application monitoring platform that helps developers diagnose, fix and optimize the performance of their code.

Actively maintained

• Monitoring

Fast serving framework for large language models and vision-language models, with a structured generation language for complex LLM programs.

Actively maintained

• AI & Machine Learning

Collection of copy-and-paste, accessible React components built with Radix UI and Tailwind CSS.

Actively maintained

• UI & Components

Software supply chain security toolkit for signing, verifying, and recording the provenance of software artifacts, container images, and releases.

Actively maintained

• DevOps

Local Kubernetes development tool that automates the build-push-deploy loop so code changes are reflected in a cluster automatically.

Actively maintained

• Developer Tools

Automates browser-based workflows using computer vision and LLMs to understand and interact with websites, even ones it hasn't seen before.

Actively maintained

• AI Agents & Agent Tools

Application performance monitoring (APM) platform providing distributed tracing, service topology, and metrics in one system.

Actively maintained

• Monitoring

A barebones library for agents that think in code -- the agent writes and executes actual code to take actions, rather than emitting structured JSON tool calls.

Actively maintained

• AI Agents & Agent Tools

Fast, lightweight and schema-less search backend written in Rust -- an Elasticsearch alternative for simple text search that runs on a few MB of RAM.

Actively maintained

• Search

Kubernetes conformance testing tool that diagnostically checks whether a cluster is configured correctly and behaves per the Kubernetes spec.

Actively maintained

• Testing

Command-line tool that encrypts individual values inside YAML, JSON, and other config files, so secrets can be safely committed to git.

Actively maintained

• DevOps

Unified analytics engine for large-scale batch and stream data processing, one of the most widely adopted big data frameworks.

Actively maintained

• Analytics

Multi-cloud continuous delivery platform originally built at Netflix for deploying applications reliably across many cloud providers and regions.

Actively maintained

• DevOps

Event-driven automation platform that triggers actions and workflows automatically in response to events across your infrastructure.

Actively maintained

• Automation

Self-hosted, open-source headless CMS that generates REST and GraphQL APIs from visually modeled content types.

Actively maintained

• CMS

Kubernetes operator that automates running Apache Kafka clusters, handling deployment, configuration, and lifecycle management.

Actively maintained

• Backend

Open source Firebase alternative providing a Postgres database, authentication, instant APIs, edge functions, realtime subscriptions and storage.

Actively maintained

• Backend
• Database
• Authentication & Security

An agentic skills framework that gives coding agents a full development methodology -- brainstorming, planning, TDD, debugging and subagent-driven execution.

Actively maintained

• AI Agents & Agent Tools

Open-source, self-hosted authentication core service offering passwordless, social, and email/password login as an alternative to Auth0 or Firebase Auth.

Actively maintained

• Authentication & Security

Takes a GitHub issue and autonomously tries to fix it with your LLM of choice; also usable for offensive cybersecurity and competitive coding challenges (NeurIPS 2024).

Actively maintained

• AI Agents & Agent Tools

Open-source ecommerce framework built on Symfony, designed for highly customized commerce applications with a strong testing culture and REST API.

Actively maintained

• E-commerce

Kubernetes-native building blocks for creating CI/CD pipelines, giving teams a standard, portable way to define pipelines as Kubernetes resources.

Actively maintained

• DevOps

Durable execution platform that lets developers write reliable, long-running workflows as ordinary code, with retries, state, and failure recovery handled automatically.

Actively maintained

• Automation

End-to-end open source platform for machine learning, from research to production.

Actively maintained

• AI & Machine Learning

Infrastructure-as-code tool for building, changing and versioning infrastructure safely and efficiently.

Actively maintained

• DevOps

Open-source OCR engine that extracts text from scanned documents and images, supporting more than 100 languages out of the box.

Actively maintained

• Media

Extends Prometheus with long-term storage, global querying across clusters, and high availability for large-scale metrics deployments.

Actively maintained

• Monitoring

MySQL-compatible distributed SQL database that scales horizontally while supporting both transactional and analytical workloads.

Actively maintained

• Database

Modern, cloud-native reverse proxy and load balancer that integrates with your existing infrastructure.

Actively maintained

• DevOps

Distributed SQL query engine that lets you run federated queries across multiple data sources - databases, data lakes, and more - from one place.

Actively maintained

• Analytics

All-in-one security scanner for finding vulnerabilities, misconfigurations, exposed secrets, and license issues across container images, filesystems, repositories, and Kubernetes.

Actively maintained

• DevOps

Fast, typo-tolerant open source search engine positioned as an easier-to-run alternative to Elasticsearch.

Actively maintained

• Search

Simple, fast, privacy-focused web analytics alternative that you can self-host.

Actively maintained

• Analytics

Open-source feature management platform for rolling out features gradually, running experiments, and controlling releases without redeploying code.

Actively maintained

• DevOps

Library for fine-tuning large language models significantly faster and with less memory than standard training approaches.

Actively maintained

• AI & Machine Learning

Sleek, modular open source file uploader that supports drag-and-drop, image cropping, and uploads to S3, Google Drive, and more.

Actively maintained

• UI & Components
• Storage

Self-hosted uptime and status monitoring tool with a reactive dashboard, covering HTTP, TCP, DNS, ping, Docker containers, and more.

Actively maintained

• Monitoring

In-memory data store and community-led fork of Redis, created after Redis's 2024 license change moved it away from an open-source license.

Actively maintained

• Database

High-performance observability data pipeline for collecting, transforming, and routing logs, metrics, and traces.

Actively maintained

• Monitoring

Backup, restore, and migration tool for Kubernetes clusters, protecting both cluster resources and persistent volume data against loss or letting you move workloads between clusters.

Actively maintained

• Storage

Open source headless commerce platform built with TypeScript, NestJS and GraphQL, with a plugin-first architecture.

Actively maintained

• E-commerce

Vercel's official collection of agent skills -- React and Next.js performance rules, web interface guidelines and Vercel project optimization.

Actively maintained

• AI Agents & Agent Tools

Full-featured, open-source HTML5 video player for the web, supporting common streaming formats and extensible through a plugin ecosystem.

Actively maintained

• Media

High-throughput, memory-efficient inference and serving engine for large language models, built for running LLMs in production at scale rather than on a single local machine.

Actively maintained

• AI & Machine Learning

Django-based, open-source content management system focused on editor experience, with a headless content API for decoupled frontends.

Actively maintained

• CMS

Customizable open-source ecommerce platform built on WordPress -- turn a WordPress site into an online store for physical goods, digital products or subscriptions.

Actively maintained

• E-commerce

Simple, container-native CI/CD engine extensible via plugins, designed to run pipelines with a lightweight server and agent footprint.

Actively maintained

• DevOps

Optimized, distributed gradient boosting library widely used for structured/tabular data problems, a staple of applied machine learning.

Actively maintained

• AI & Machine Learning

Enterprise-grade infrastructure and network monitoring platform with built-in alerting, auto-discovery, and long-term data storage.

Actively maintained

• Monitoring

Cloud-native identity and access management platform with multi-tenancy, SSO, MFA, and OIDC/SAML support, usable self-hosted or as a managed service.

Actively maintained

• Authentication & Security

Open source team chat with topic-based threading that keeps parallel conversations organized instead of one long scrolling feed.

Actively maintained

• Chat & Messaging