Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.

Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.

A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV

Build your personal knowledge base with Trilium Notes

An Open Source implementation of Notebook LM with more flexibility and features

A personal knowledge management and sharing system for VSCode

A fully open source & end-to-end encrypted note taking alternative to Evernote.

A pleasant note-taking platform in native C++.

A cross-platform Markdown AI note-taking software.

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.

Laverna is a JavaScript note taking application with Markdown editor and encryption support. Consider it like open source alternative to Evernote.

Private & local AI personal knowledge management app for high entropy people.

CLI and local web plain text note‑taking, bookmarking, and archiving with linking, tagging, filtering, search, Git versioning & syncing, Pandoc conversion, + more, in a single portable script.

Notes manager for macOS/iOS

Collect your thoughts and notes without leaving the command line.

📝 ‎ A web-based notes app for developers.

A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.

Infinite canvas drawing/whiteboarding app for Windows, Linux and macOS. Made with Godot.