Open source knowledge-base projects

Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude C

Docs, whiteboards, and databases in one privacy-first workspace

Privacy-first knowledge management with block-level linking

Privacy-first knowledge base that connects your notes

Langchain-Chatchat（原Langchain-ChatGLM）基于 Langchain 与 ChatGLM, Qwen 与 Llama 等语言模型的 RAG 与 Agent 应用 | Langchain-Chatchat (formerly langchain-ChatGLM), local knowle

Self-hosted wiki with AI, compliance, and real-time editing

Create, edit and share documents with real-time collaboration

A distributed, fast open-source graph database featuring horizontal scalability and high availability

CLI and local web plain text note‑taking, bookmarking, and archiving with linking, tagging, filtering, search, Git versioning & syncing, Pandoc conversion, + mo

World's first open-source enterprise world model.

可私有部署的多租户知识智能体平台：统一 RAG、知识图谱、多智能体、MCP/Skills、沙盒与权限管理。Self-hosted knowledge agent platform for RAG, knowledge graphs and multi-agent workflows.

⚡️next-generation personal AI assistant powered by LLM, RAG and agent loops, supporting computer-use, browser-use and coding agent, demo: https://demo.openagent

Smart desktop AI assistant with powerful local knowledge features

Self-hosted team workspace with chat, docs, and databases

TypeDB: Built for systems, not records

Beautiful, AI-native markdown IDE and LLM wiki

Open-source customer communication platform

Browser and notebook combined with local-first AI

A personal knowledge base that builds and maintains itself. Drop in sources — Claude (or Codex/Gemini) reads them, extracts knowledge, and maintains a persisten

Claude Code plugin that generates individualized knowledge systems from conversation. You describe how you think and work, have a conversation and get a complet

Framework for AI agents to build and maintain a digital brain through Obsidian wiki

Open-source, self-hosted customer support desk in a single binary. A lightweight alternative to Intercom, Zendesk, Chatwoot.

The Context Layer for unstructured data: typed, versioned datasets over S3, GCS, Azure

Your Self-Hosted Knowledge Base

📚 The open-source, offline-first Notion, Obsidian & Confluence alternative. Advanced Markdown, multi-tenant teams, OIDC/SSO, and local S3 backups. Deploy in on

The Stack Overflow clone for your team (self-hosted or hosted)

Lightweight Knowledge Base and Feed Reader.