Open-source, privacy-focused collaborative workspace for notes, databases, kanban boards and AI-assisted writing; desktop, mobile and web clients with local-first storage.

74.4k stars5.7k forksAGPL-3.0last commit Actively maintained
Apple Notes is a note-taking app for creating and organizing text notes, checklists, scanned documents, sketches, and attachments. Notes sync via iCloud across Apple devices and are accessible on the web at iCloud.com, with sharing and collaboration features.
Open-source, privacy-focused collaborative workspace for notes, databases, kanban boards and AI-assisted writing; desktop, mobile and web clients with local-first storage.

74.4k stars5.7k forksAGPL-3.0last commit Actively maintained
Memos is a lightweight, privacy-first self-hosted note-taking service with Markdown, fast search, and sharing features for personal notes, wikis, and team knowledge.

61.8k stars4.6k forksMITlast commit Actively maintained
Joplin is an offline-first, privacy-focused note and to-do app with end-to-end encryption, Markdown support, web clipping, and sync across desktop and mobile.

55.8k stars6.2k forkslast commit Actively maintained
Open-source, block-oriented personal knowledge manager with Markdown WYSIWYG, block-level two-way links, encrypted sync, Docker deployment and AI integrations.

45.5k stars2.9k forksAGPL-3.0last commit Actively maintained
Logseq is a privacy-first, open-source knowledge management app for networked notes, tasks, and collaboration using local Markdown or Org-mode graphs.

44.1k stars2.7k forksAGPL-3.0last commit Actively maintained
Open-source hierarchical notes and personal knowledge base with rich editing, full-text search, encryption, scripting, and optional self-hosted sync and web access.

37.1k stars2.5k forksAGPL-3.0last commit Actively maintained
Collaborative note-taking, wiki, and documentation platform with real-time editing, access control, and offline support. Built with Django and React/Next.js.
16.7k stars610 forksMITlast commit Actively maintained
Open-source, self-hosted AI note-taking app for fast capture and organization, with Markdown notes and RAG-based natural language search.

10.8k stars761 forksGPL-3.0last commit Actively maintained
TiddlyWiki is a self-contained, highly customizable personal wiki that runs in the browser or on Node.js, enabling notes, knowledge bases, and documentation in one file.

8.6k stars1.3k forkslast commit Actively maintained
Standard Notes is an end-to-end encrypted notes app with secure file storage, offline access, and cross-platform sync, with optional self-hosting of the sync server.

6.6k stars539 forksAGPL-3.0last commit Actively maintained
Self-hosted, browser-based personal knowledge management platform with Markdown pages, wiki-style links, tasks, queries, and Lua scripting for automation.

5.7k stars450 forksMITlast commit Actively maintained
Offline-first file manager and personal knowledge workspace that organizes local files with tags, fast search, previews, and optional local AI features.
5.2k stars514 forksAGPL-3.0last commit Actively maintained
Self-hosted personal management web app to organize notes, goals, contacts, passwords, schedules, payments, files, photos, and more in one place.

4.1k stars340 forksMITlast commit Actively maintained
Speakr is a self-hosted web app for recording or uploading audio, transcribing with AI (including diarization), and turning conversations into searchable, shareable notes.
3.5k stars291 forksAGPL-3.0last commit Actively maintained
Basic Memory gives AI assistants durable, local-first memory by reading and writing structured Markdown notes, enabling reusable context across conversations and tools.

3.5k stars240 forksAGPL-3.0last commit Actively maintained
Self-hosted, database-less note-taking web app that stores notes as plain Markdown files in a folder, with tagging, wiki links, and full-text search.

3.2k stars196 forksMITlast commit Actively maintained
Lightweight, privacy-focused self-hosted Markdown notes app with wikilinks, graph view, tags, templates, search, Mermaid diagrams, LaTeX math, and optional password protection.

2.7k stars221 forksMITlast commit Actively maintained
Zim is a desktop wiki editor for personal notes, journals, and task lists, storing pages as plain text files with links, attachments, and plugin support.

2.2k stars392 forksGPL-2.0last commit Actively maintained
Self-hostable note-taking and knowledge base app with an extended Markdown editor, fast search, tagging, workspaces, sharing permissions, exports, and offline PWA support.

2k stars127 forksMITlast commit Actively maintained
Lightweight self-hosted web app for managing checklists and Markdown notes with file-based storage, PGP encryption, REST API and Docker deployment.

2k stars112 forksAGPL-3.0last commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 20 of 20 shipped a commit in the last six months. Licences in this list: AGPL-3.0, MIT, GPL-3.0, GPL-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Notes & Personal Knowledge Management.