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

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

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)

🇨🇳 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

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

Mobile first Note Taking integrated with Git

A self-organizing Obsidian vault that gives AI coding agents persistent memory. Claude Code, Codex CLI, Gemini CLI.

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

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.

Beautiful, AI-native markdown IDE and LLM wiki

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.

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。