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Open source AI tools and frameworks Compare features, pricing, integrations, and best-use scenarios to choose the right option faster.

Fast, unopinionated web framework for Node.js (Backend).

Platform for building mobile & desktop apps (Frontend).

Markdown-based language for API design.
Front-end code playground & community.

Collection of design systems.

Allen Institute for AI; non-profit research focused on high-impact AI.

Open-source deep learning server and API for vision/NLP tasks.
Open-source multilingual code generation model from Tsinghua University.

Open-source Python library to build UI for LLM apps like agents.

Provider of open-source speech tech including realistic TTS models.

Autonomous AI agents in your browser