Open-source note-taking tools. To compare with Knotpad.

AppFlowy

Note Taking

AppFlowy is the AI collaborative workspace where you achieve more without losing control o

AFFiNE

Note Taking

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledg

Memos

Note Taking

Your own timeline for quick notes, private by default.

MarkText

Note Taking

📝A simple and elegant markdown editor, available for Linux, macOS and Windows.

Joplin

Note Taking

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Li

SiYuan

Note Taking

思源笔记 - 隐私优先的个人知识管理系统，支持 Markdown 排版、块级引用和双向链接

Logseq

Note Taking

A privacy-first, open-source platform for knowledge management and collaboration. Download

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

Trilium Notes

Note Taking

Trilium Notes is an open-source note-taking and personal knowledge base app that runs loca

Foam

Note Taking

A personal knowledge management and sharing system for VSCode

Claude Obsidian

Note Taking

Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude rea

Zotero

Productivity

Zotero is a free, easy-to-use tool to help you collect, organize, annotate, cite, and shar

Notesnook

Note Taking

Express yourself with freedom — no spying, no tracking, only private notes. Unlike Evernot

Zettlr

Note Taking

Your One-Stop Publication Workbench

NoteGen

Note Taking

Capture first. Organize later. A local-first Markdown app that turns scattered records int

VNote

Note Taking

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

Anytype

Note Taking

Official Anytype client for MacOS, Linux, and Windows

TiddlyWiki

Note Taking

A self-contained JavaScript wiki for the browser, Node.js, AWS Lambda etc.

FSNotes

Note Taking

Fast Markdown note-taking app for Mac and iPhone

HedgeDoc

Docs & Wikis

HedgeDoc - Ideas grow better together

Jrnl

Note Taking

Collect your thoughts and notes without leaving the command line.

Standard Notes

Note Taking

Think fearlessly with end-to-end encrypted notes and files. For issues, visit https://stan

SilverBullet

Note Taking

The malleable knowledge base for you and your team. Powered by Markdown and Lua.

QOwnNotes

Note Taking

QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nex

Simplenote

Note Taking

Simplenote for Web, Windows, and Linux

Obsidian Second Brain

AI Tools

Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your

Blinko

Note Taking

Capture now. Grow later. Share when ready. Blinko Cloud brings your notes, AI writing and

Freeplane

Whiteboards

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize

Personal Management System

Productivity

Your web application for managing personal data.

cherrytree

CLI and local web plain text note‑taking, bookmarking, and archiving with linking, tagging

MrDoc

Docs & Wikis

mrdoc,online document system developed based on python. It is suitable for individuals and

Alexandrie

Note Taking

📚 The open-source, offline-first Notion, Obsidian & Confluence alternative. Advanced Mark

NoteDiscovery

Note Taking

Your Self-Hosted Knowledge Base

zk

Note Taking

A plain text note-taking assistant

Heynote

Note Taking

A dedicated scratchpad for power users

Butterfly

Note Taking

🎨 Powerful, minimalistic, cross-platform, opensource note-taking app

EdgeEver

Note Taking

Open-source, AI-native knowledge base & Evernote alternative with native MCP. Zero-cost on

Jotty

Productivity

Lightweight but powerful alternative for managing your personal, file based, notes and che

TidGi

Note Taking

TidGi is an privacy-in-mind, automated, auto-git-backup, freely-deployed knowledge managem

IWE

Note Taking

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

Neuron

Note Taking

Future-proof note-taking and publishing based on Zettelkasten (superseded by Emanote: http

VimWiki

Note Taking

Personal Wiki for Vim

Hubble.md

Note Taking

The best notepad for you and your agents

A self-hosted, database-less note taking web app that utilises a flat folder of markdown f

Dnote

Note Taking

A simple command line notebook

Journiv

Note Taking

Journiv - Self hosted private journaling app

Moe Memos Android

Note Taking

An app to help you capture thoughts and ideas

SoloMD

Note Taking

A markdown editor — and the bridge to your LLM. Local-first, MIT, ~15 MB. Bundled MCP serv

A self-hosted Markdown notebook that runs entirely on Cloudflare Workers.

Organice

Productivity

An implementation of Org mode without the dependency of Emacs - built for mobile and deskt

Poznote

Note Taking

Powerful note-taking without the hassle.

StashBase

AI Tools

An open-source, local-first writing workspace where you can write with Claude Code and Cod

Moe Memos

Note Taking

An app to help you capture thoughts and ideas

mdSilo

Note Taking

Lightweight Knowledge Base and Feed Reader.

Note Mark is a lighting fast, web-based Markdown notes app.

A wiki plugin for Vim

NotallyX

Note Taking

Minimalistic Android note taking App | Notally, but eXtended.

Memex

Note Taking

Browser extension to curate, annotate, and discuss the most valuable content and ideas on

Obsidian LLM Wiki

Note Taking

Karpathy's LLM Wiki implementation plugin for Obsidian - turns notes and PDFs into a linke