langchain

Tracekit

+204

Tamper-evident tracing, policy gates and cross-checks for AI agents: see what the agent did, and why.

switch

+703

Open-source AI teammates in Slack, Teams, Discord, Telegram and Mattermost. Self-host it, with any agent harness and any model.

openui

+1.3k

The Open Standard for Generative UI

markitdown

+1.1k

Python tool for converting files and office documents to Markdown.

LEANN

+572

[MLsys2026 Best Paper]: https://arxiv.org/abs/2506.08276. RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

headroom

+593

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

freehire

+309

freehire — the open-source search engine for job seekers

langfuse

+457

🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

litellm

+414

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]