Frameworks & RAG

Open Notebook is an open-source, privacy-focused AI-powered research and note-taking platform, an alternative to Notebook LM with more flexibility and features, giving you control over your data and AI models.

GraphRAG is a modular graph-based Retrieval-Augmented Generation system that extracts a knowledge graph from unstructured text, builds a community hierarchy, generates summaries, and supports global, local, DRIFT, and basic search.

Tolaria is a free, open-source desktop app for macOS, Windows, and Linux that organizes Markdown knowledge bases with local files, integrated Git version control, and AI support.

Helicone is an open source LLM observability and AI gateway platform. It provides routing and monitoring for reliable AI apps, letting developers monitor, evaluate, and experiment with one line of code.

OpenKnowledge is a beautiful, AI-native markdown editor and IDE for knowledge bases, LLM wikis, specs, notes, and agent second brains. It works with Claude, Codex, and other harnesses via MCP/CLI and is private, local, and free.