Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Docusaurus
React-based static site generator for building fast, maintainable documentation websites.
LangChain
The most widely adopted Python framework for building LLM-powered agents and applications
LangGraph
A low-level orchestration framework for building stateful, multi-actor LLM agents as graphs
swagger-ui-react
A React component that turns OpenAPI/Swagger specs into interactive, browsable API documentation.
boring-avatars
A lightweight React library that generates unique, colorful SVG avatars from any username or string.
Uppy
Extensible file upload widget with drag-drop, resumable uploads, and remote providers
SAML Jackson (Polis)
Open-source SAML 2.0 and OIDC library that turns enterprise SSO logins into a plain OAuth 2.0 flow for your Node.js app.
CopilotKit
React hooks and providers for building AI copilots with shared state, generative UI, and human-in-the-loop workflows.
MLflow
Open source AI engineering platform for tracking, evaluating, and shipping ML models, LLMs, and agents to production.
Opik
Python SDK for tracing, evaluating, and monitoring LLM applications, RAG pipelines, and agentic workflows.
OpenTelemetry Instrumentation for Anthropic
OpenTelemetry auto-instrumentation for the Anthropic Python SDK, tracing prompts and completions
AG2
An open-source AgentOS framework for building multi-agent AI systems
swagger-client
A JavaScript library that turns any Swagger 2.0 or OpenAPI 3.x document into a fully callable API client at runtime.
Payload
The Next.js-native, TypeScript CMS and application framework with instant REST, GraphQL, and Local APIs.
CakePHP
The rapid-development MVC framework for PHP, with a powerful ORM and convention-over-configuration.