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

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

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.

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)

🇨🇳 OpenClaw中文用例大全 | 50个真实场景 | 国内特色 + 海外案例的国内适配 | 自动化办公·内容创作·运维·AI助理·知识管理 | 新手友好

Mobile first Note Taking integrated with Git

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.

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

Claude Code plugin that generates individualized knowledge systems from conversation. You describe how you think and work, have a conversation and get a complete second brain as markdown files you own.

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。

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

Thinking notebook and Markdown editor.

A lightweight local-first graphic-centric productivity tool to build your second brain. Supporting Excalidraw/Tldraw whiteboard and notion-like note. 一款以图形为中心、轻量级、本地优先的用于构建第二大脑的效率工具。支持 Excalidraw、Tldraw 白板和类 Notion 笔记。

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

Cross-CLI skill for Obsidian: turn your vault into a living AI-first second brain across Claude Code, Codex, Gemini, and OpenCode. 43 commands - now with /obsidian-architect to document your codebase, key-less web research, Google Calendar, and self-rewriting notes.

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。

TidGi is an privacy-in-mind, automated, auto-git-backup, freely-deployed knowledge management Desktop note app, based on Tiddlywiki, with REST API for web-clipping and Anki connect. 「 太记 」是一个基于「 太微 TiddlyWiki 」的知识管理桌面应用，能保护隐私内容、高级自动化、自动Git云备份、部署为博客，且可通过RESTAPI与Anki等应用连接。（迭代开发中欢迎试用，开发进度见下方链接）(Under active development, see website below for details)