Skill Seekers - pipeline tool to convert docs, websites, and repos into structured knowledge “skills” for Claude, with automatic conflict checks when merging sources

Agent Lightning - Microsoft’s open-source framework to train and improve any AI agent with reinforcement learning (add self-learning to agents without rewriting them)

LobeChat - extensible, high-performance chat interface framework that lets you deploy your own private ChatGPT-style web app with multi-model RAG and plugin support

AFFiNE - privacy-focused, local-first alternative to Notion & Miro that includes built-in AI assistant features for your notes and whiteboards

Giskard - open-source library to automatically test, debug, and monitor LLM applications (e.g. detect hallucinations, biases, prompt issues), with a toolkit to generate RAG eval datasets

RAGatouille - plug-and-play retrieval module implementing advanced late-interaction search for RAG pipelines, boosting retrieval accuracy and relevance beyond basic vector similarity

LocalAI - drop-in self-hosted alternative to the OpenAI/Anthropic APIs that runs local models (text, chat, embeddings, voice and vision) on CPU for cost or privacy reasons