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Build your personal knowledge base with Trilium Notes

🪐 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.

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

An open source personal productivity platform built on Markdown, turbo charged with the scripting power of Lua

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

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

Cross-CLI skill for Obsidian: turn your vault into a living AI-first second brain across Claude Code, Codex, Gemini, OpenCode, Hermes, and Pi. 44 commands - self-rewriting notes, local+hybrid semantic search, key-less web research, /obsidian-architect codebase docs, and scheduled agents that maintain the vault while you sleep.

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、知识库系统。

Thinking notebook and Markdown editor.

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。

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.

Plugin for context engineering in Claude Code, Cursor, and Codex. Build on top Archcore CLI.

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.

Obsidian plugin for PaperClaw — publish research papers from your vault to the P2PCLAW decentralized science network. Markdown-native, one-click submission, peer review built in.

UseCortex MCP Server — Give your AI coding agent a persistent memory. Read and write knowledge from any tool.