Notes and knowledge

Persistent memory for Claude Code, Codex and 6 other AI agents, stored as plain markdown in your Obsidian vault. New: Crew, one shared logbook so Claude Code, Codex, Cursor and Grok Bot know what each other did. 48 commands: semantic search, self-rewriting notes, key-less research, scheduled agents.

5,247 stars+107 this week

AI-native knowledge base & Evernote/Obsidian alternative. Instant all-platform sync, rich notes (tables, mind maps, diagrams, posters), web clipper & MCP. 100% free on Cloudflare or Docker.

3,179 stars+69 this week

Beautiful, AI-native markdown IDE and LLM wiki

4,821 stars+43 this week

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

4,541 stars+69 this week

Google Keep-style notes for iOS, Android, and self-hosting. Offline-first, with optional sync.

335 stars+25 this week

Your thinking deserves a map: an infinite canvas where LLM conversations grow into an editable thought graph. Wires are the context.

762 stars+30 this week

Framework for AI agents to build and maintain a digital brain through Obsidian wiki | Memory System for Agents

3,704 stars+27 this week

One memory layer, every AI tool. Store anything once — recall it in Claude, ChatGPT, Cursor, or any MCP client. Self-hosted on Cloudflare's free tier.

857 stars+19 this week

Self-evolving second brain with 35 AI skills, 10 agents, and people CRM. Closed-loop harness: a V-model verification lifecycle where the worker never grades its own homework. Plus paired anti-slop design skills for marketing and product UI. Works with Claude Code, Cursor, Kiro, Gemini CLI, Codex.

1,376 stars+38 this week

Guides and resources for AI engineers: an agents course, five handbooks, a hands-on second-brain project and a vetted reading list.

1,543 stars+326 this week

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

1,820 stars+7 this week

Task management system for humans and agents in Obsidian.

305 stars+8 this week

跑在 Cloudflare 上的 AI 原生第二大脑：零服务器、零运维，记录、任务与文章沉淀为你的知识库，也是 AI Agent 的长期记忆。 / An AI-native second brain on Cloudflare: zero servers, zero upkeep.

352 stars+7 this week

用 AI 读完收藏的视频、整理 B 站收藏夹的 Chrome 扩展：字幕、AI 总结问答、收藏夹分拣，导出 Markdown，可选写入 Obsidian · Read and triage saved Bilibili & YouTube videos with AI: subtitles, AI summaries, favorites triage, Markdown and optional Obsidian export

106 stars+2 this week

Amplify yourself and your team – with AI co-workers.

106 stars+6 this week

Self-maintaining, Obsidian-compatible knowledge base for pi — turn raw sources into an interlinked wiki that compounds. Native Open Knowledge Format (OKF) v0.2.

627 stars+7 this week

A free, open-source Obsidian plugin that makes your vault smarter: better search, an interactive knowledge graph, and an AI assistant that knows your notes.

1,347 stars+7 this week

QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.

5,953 stars+17 this week

Give your AI a real, persistent memory. The open-source system plus templates that turn an Obsidian vault into your AI's working memory. No vector database, just markdown.

736 stars+6 this week

Second yourself. One agent that remembers you, with many hands to act for you: a multi-agent harness (Claude Code, with Codex helpers), a self-maintaining local wiki as its long-term memory, and the frontier model you choose. Research assistant today. Pre-1.0, in active development.

147 stars0 this week

Run Claude Code, Codex, and other agent CLIs in Obsidian

459 stars+3 this week

📝 Glyph is a private desktop workspace for notes, documents, and ideas, with Markdown editing and built-in AI tools.

185 stars+1 this week

INCEpTION provides a semantic annotation platform offering intelligent annotation assistance and knowledge management.

730 stars+1 this week

One-click, privacy-first exporter for Claude.ai chats — clean Markdown with artifacts and attachments, ready for Obsidian and RAG.

744 stars+2 this week

Text Generator is a versatile plugin for Obsidian that allows you to generate text content using various AI providers, including OpenAI, Anthropic, Google and local models.

1,995 stars+1 this week

The second brain that becomes whatever you need. A free Mac app where notes, projects, mind maps and meetings live as plain Markdown. Every feature is a plugin anyone can write.

23 stars+23 this week

A self-hosted RSS reader and personal knowledge management tool.

874 stars0 this week

A fast, open-source markdown editor. Graph view, plugin API, themes, Git/WebDAV sync, AI MCP — built on Tauri 2.

108 stars+1 this week

Hybrid search for Obsidian vaults via plugin, CLI, and MCP server

120 stars+2 this week

An always-on second brain you talk to. Voice notes in Telegram → typed, linked knowledge in your Obsidian vault. Runs 24/7 on the Claude subscription you already have.

436 stars+25 this week

Build Karpathy's LLM Wiki with Claude Code. L1/L2 cache architecture. Logseq + Obsidian support.

164 stars+3 this week

The Fastest AI Memory Model - Your Second Brain

269 stars0 this week

Open-source AI job search agents for Claude Code. Polls Greenhouse, Ashby and Lever job boards directly, scores roles against your profile, preps interviews, drafts outreach, and writes it all to an Obsidian vault. A recruiter, a crawler and a market analyst, benchmarked against plain LLM crawling.

189 stars+3 this week

Local-first like Obsidian, polished like Notion. Free & open source: wiki links, slash commands, to-dos, local or cloud sync, and MCP for AI. Web + Mac.

186 stars0 this week

Chat with your Obsidian vault using your own Claude Code or Codex on desktop, or hosted AI. Edit notes with approval modes, transcribe audio and find related notes. Free to start.

195 stars0 this week

AI-powered Personal Knowledge Assistance in a folder. Built on the ICOR methodology. Plain markdown. Any LLM. Yours forever.

320 stars+2 this week

Local-first AI second brain & personal knowledge management: Six-Brain Markdown blueprint, Obsidian example vault, offline deployment and bilingual guides. 六脑方法 · 本地知识管理

879 stars+4 this week

Mindolph is an open source personal knowledge management software with Gen-AI support for all desktop platforms.

202 stars+1 this week

Joplin (note-taking) assistant running a very intelligent system (GPT, Claude, Gemini, Ollama, Hugging Face)

364 stars+1 this week

Harness as code — the Terraform for AI agents. Define your agent team AND its memory once, deploy to Claude Code, OpenClaw, Cursor, Codex, Gemini, Copilot, Kiro. Declarative .at language + agent-maintained, Obsidian-portable company brains + interactive visualizer.

107 stars0 this week

知归是一个面向个人使用的 AI 知识归档工具。把内容链接（微信公众号、稀土掘金、GitHub、小红书、抖音、B站）发送给飞书机器人，知归会自动完成内容提取、AI 分类与总结，并将结果沉淀到飞书多维表格中。Send WeChat Article / Douyin / Xiaohongshu / Bilibili links to a Feishu (Lark) bot; auto-extract, AI-summarize and archive to Feishu Bitable. Self-hosted personal knowledge base / second brain.

100 stars+1 this week

Lumina Note - A modern Markdown note-taking app with live preview, bidirectional links, and AI assistant

912 stars-1 this week

Your second brain - capture your mind

131 stars0 this week

My personal dotfiles: Zsh, Git, VSCode, Obsidian, Ghostty, cmux, etc.

473 stars0 this week

Agent-driven pipeline that turns raw material (PDFs, slides, syllabi, papers, URLs) into structured, teaching-quality Obsidian notes: ingest, compile, distribute.

206 stars0 this week