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Build your personal knowledge base with Trilium Notes

Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

🪐 Markdown with superpowers: from ideas to papers, presentations, websites, books, and knowledge bases.

Beyond file syncing and sharing, a new way to organize your files with extensible file properties and flexible views

Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.

Capture first. Organize later. A local-first Markdown app that turns scattered records into clear notes with AI.

The malleable knowledge base for you and your team. Powered by Markdown and Lua.

Athens is no longer maintainted. Athens was an open-source, collaborative knowledge graph, backed by YC W21

ByteRover CLI (brv) - The portable memory layer for autonomous coding agents (formerly Cipher)

Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. Stop re-explaining your projects, decisions and people every session. 45 commands: hybrid semantic search, self-rewriting notes, key-less web research, and scheduled agents that maintain the vault while you sleep.

AI conversations that actually remember. Never re-explain your project to your AI again. Join our Discord: https://discord.gg/tyvKNccgqN

Beautiful, AI-native markdown IDE and LLM wiki

Personal AI Notebooks. Organize files & webpages and generate notes from them. Open source, local & open data, open model choice (incl. local).

mrdoc,online document system developed based on python. It is suitable for individuals and small teams to manage documents, wiki, knowledge and notes. 觅思文档，适合于个人和中小型团队的在线文档、AI知识库系统。

Thinking notebook and Markdown editor.

Thinking notebook and Markdown editor.

AI-powered cross-platform e-book reader with semantic search, RAG chat, local vector store, notes, TTS, and WebDAV sync.

Modern Confluence alternative designed for internal & external docs, built with Go + EmberJS

Ledge —— DevOps knowledge learning platform. DevOps、研发效能知识和工具平台，是我们基于在 ThoughtWorks 进行的一系列 DevOps 实践、敏捷实践、软件开发与测试、精益实践提炼出来的知识体系。它包含了各种最佳实践、操作手册、原则与模式、度量、工具，用于帮助您的企业在数字化时代更好地前进，还有 DevOps 转型。

Markdown knowledge graph — LSP for your editor, CLI + MCP memory for your AI agents

Knowledge is a tool for saving, searching, accessing, exploring and chatting with all of your favorite websites, documents and files.

Quickly format your notes with ChatGPT in Obsidian

Obsidian tools - a Python package for analysing an Obsidian.md vault

Openclaw多智能体协同系统 | Multi-Agent OS for Decision Makers — 基于 OpenClaw (Clawbot) + Slack，让 AI 团队各司其职、自主稳定迭代。

tabSidian gathers your open browser tabs and turns them into a markdown list.

Persistent memory for AI coding agents. Local-first, cross-session context, global knowledge, and optional autonomous task execution.

The living armor an AI agent inhabits: eternal devouring, eternal evolution, eternal amplification.

A starter template for building an AI-augmented Second Brain using Obsidian, CODE/PARA, and AI skills, including templates, queries, and AI instructions to get started

Open-source, self-hosted knowledge backend for AI agents — hybrid search (vector + keyword), MCP server, 5 connectors, Docker-ready

A minimal, AI-native Obsidian vault template. 3 folders, manifest files for Claude/Copilot, automated maintenance.