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AppFlowy-IO /AppFlowy

Star68.2k

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.

blog documentation wiki project-management content-management note-taking flutter task-management content-services team-collaboration notion-alternative confluence-alternative

UpdatedFeb 14, 2026
Dart

usememos /memos

Sponsor

Star57.1k

An open-source, self-hosted note-taking service. Your thoughts, your data, your control — no tracking, no ads, no subscription fees.

react go docker markdown social-network memo sqlite foss self-hosted note-taking microblog notecard

UpdatedFeb 14, 2026
Go

laurent22 /joplin

Sponsor

Star53.5k

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

electron nodejs javascript android react-native dropbox synchronisation nextcloud onedrive webdav note-taking evernote web-clipper enex-files joplin

UpdatedFeb 20, 2026
TypeScript

siyuan-note /siyuan

Star41.4k

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

electron markdown pdf ocr s3 webdav self-hosted openai note-taking evernote anki knowledge-base obsidian notion notes-app local-first chatgpt ollama deepseek

UpdatedFeb 20, 2026
TypeScript

logseq /logseq

Star41.1k

A privacy-first, open-source platform for knowledge management and collaboration. Download link:http://github.com/logseq/logseq/releases. roadmap:https://discuss.logseq.com/t/logseq-product-roadmap/34267

git markdown clojure graph clojurescript knowledge-graph org-mode note-taking knowledge-base pkm local-first

UpdatedFeb 20, 2026
Clojure

TriliumNext /Trilium

Star34.7k

Build your personal knowledge base with Trilium Notes

electron wiki notebook notes self-hosted knowledge-graph electron-app note-taking self-hosting knowledge-base personal-knowledge-base knowledge-management personal-wiki notes-app scriptable knowledge-management-graph note-managment note-taker local-first

UpdatedFeb 20, 2026
TypeScript

lfnovo /open-notebook

Star19.8k

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

learning notebook assistant note-taking self-learning notes-app

UpdatedFeb 19, 2026
TypeScript

foambubble /foam

Star16.9k

A personal knowledge management and sharing system for VSCode

markdown markdown-editor vscode note-taking graph-visualisation pkm personal-knowledge-base notes-app zettelkasten

UpdatedFeb 19, 2026
TypeScript

streetwriters /notesnook

Sponsor

Star13.7k

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

electron react productivity open-source opensource privacy react-native notebook notes reactjs foss self-hosted dotnet-core asp-net-core note-taking hacktoberfest notes-app note-managment note-taking-app

UpdatedFeb 20, 2026
TypeScript

vnotex /vnote

Star12.7k

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

vim editor markdown uml mathjax note note-taking vnote

UpdatedFeb 12, 2026
C++

codexu /note-gen

Star10.8k

A cross-platform Markdown AI note-taking software.

agent markdown mcp nextjs chatbot webdav note-taking knowledge-base tauri rag llm

UpdatedFeb 14, 2026
TypeScript

Laverna /laverna

Star9.2k

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

websocket webrtc peer-to-peer socket-io note-taking laverna

UpdatedMay 30, 2021
JavaScript

reorproject /reor

Star8.5k

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

markdown ai llama note-taking pkm rag local-first vector-database second-brain llamacpp lancedb ollama

UpdatedMay 13, 2025
JavaScript

xwmx /nb

Sponsor

Star8k

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.