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

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

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

World's first open-source enterprise world model.

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

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

Beautiful, AI-native markdown IDE and LLM wiki

TypeDB: Built for systems, not records

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

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

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

Browser and notebook combined with local-first AI

Open-source customer communication platform

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

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

Open-source, AI-native knowledge base & Evernote alternative with native MCP. Zero-cost on Cloudflare or Docker.

The cross-harness self-improving memory layer for AI agents.

The context orchestration layer powered by hypergraphs. Build a unified semantic context layer where agentic outcomes are deterministic and agent behavior is no

Your Self-Hosted Knowledge Base

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

A new SOTA for RAG — an original retrieval architecture and an open-source knowledge base for humans and agents.

The knowledge compiler. Raw sources in, interlinked wiki out. Inspired by Karpathy's LLM Wiki pattern.

Self-hosted, semantically-connected personal knowledge base

Open Source Implementation of Karpathy's LLM Wiki. Upload documents, connect your Claude account via MCP, and have it write your wiki !

OpenSource Production ready Customer service with built in Evals and monitoring

Full-stack AI agent for coding, files, terminals, tools, research, content, multimodal work, and multi-agent workflows.

A markdown editor — and the bridge to your LLM. Local-first, MIT, ~15 MB. Bundled MCP server lets Claude Code / Codex / Cursor drive your vault directly. 14 AI

The open-source collaboration system for people and AI agents. Share context, coordinate tasks, and work in parallel with your team, cloud agents, Codex, Claude

Prismer Cloud

A personal context store for AI agents and assistants—reuse your existing coding agent CLI (Codex/Claude/OpenCode) with built‑in Skills/tools and a desktop GUI

LeafWiki - Self-hosted wiki. Single Go binary, SQLite, Markdown on disk. No external database required.

万能导:多平台知识库 Markdown 全项目一键导入导出工具(导入导出效果最好),用自动化代替手动复制粘贴(有道云,飞书,语雀,阿里云知识库,知识星球,印象笔记,ima,onenote,为知笔记,csdn,知乎,微信公众号导出导入).(可保留目录结构,图片,项目格式) 关键词:微信公众号导出,语雀导出导入,飞书导出导

Unified research workspace for humans & agents — PDF Q&A with citations, Vault, writing. 为人与 Agent 协作的科研工作台；补齐 Zotero 时代的人机上下文断点。

A codebase wiki for AI coding agents. Captures what the code can't say: decisions, flows, invariants, gotchas.

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

Lightweight Knowledge Base and Feed Reader.

Git-native persistent memory for AI coding agents. Implements Google OKF v0.2 with sub-300µs in-memory BM25 search, embedded MCP server, and progressive disclos

Logic Language for World Models 🌱🐋🌍

MindOS is a Human-AI Collaborative Mind System, where human thinks and agents act. Globally sync your mind for all agents: transparent, controllable, and evolvi

Open-source database & workspace for AI agents — structured data, durable knowledge, reusable skills, runnable apps, and human review on the writes that matter.

A foundational library for Semantic Hypergraphs

A modern, feature-rich, databaseless flat-file wiki platform built with Go.

Embrace a docs-as-code approach to build, version, and publish Git-driven documentation sites using Markdown and a visual editor

开源自托管笔记与私有知识库，支持 Markdown/富文本、AI 写作、思维导图、任务管理、全文搜索、多级笔记本和 Docker 一键部署。

中文优先的企业 RAG 知识库：可控解析、治理、切块、混合检索、重排、引用、图谱、评测与 Dify 接入。

Kition brings Markdown, DataTable, WhiteBoard, a tool-using AI agent, browser research, and visual workflows into one desktop workspace.

AWS Generative AI CDK Constructs are sample implementations of AWS CDK for common generative AI patterns.

The Supabase of AI era. A modular, open-source backend for building AI-native software — designed for knowledge, not static data.

Free, open-source alternative to ChatGPT Spaces: a self-hostable AI workspace for shared pages and conversations.