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

76k stars5.9k forksAGPL-3.0last commit Actively maintained
Cloud note-taking and personal knowledge management service for capturing, organizing, searching and syncing notes, web clippings, images, PDFs and tasks across devices. Features include OCR, tagging, notebooks and basic sharing.
Open-source, privacy-focused collaborative workspace for notes, databases, kanban boards and AI-assisted writing; desktop, mobile and web clients with local-first storage.

76k stars5.9k 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.

62.6k stars4.7k 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.

56.1k 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.

46k stars3k 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.

44.6k stars2.8k 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.

37.6k 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.
16.8k stars620 forksMITlast commit Actively maintained
Open-source collaborative documentation and wiki platform with real-time editing, offline sync, export features and flexible self-hosting options.
16.8k stars620 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.

11k stars774 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
Open-source, web-based collaborative Markdown editor for real-time notes, diagrams, and slide presentations with revisions and access controls.

7.4k stars590 forksAGPL-3.0last 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 stars548 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.

5.9k stars471 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.
5.3k stars513 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 stars347 forksMITlast 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.

3.8k stars262 forksAGPL-3.0last 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.
3.7k stars302 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 stars206 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.

2.8k stars234 forksMITlast 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.

2.4k stars163 forksMITlast 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. In exchange you take on hosting, backups and updates yourself.
Browse everything in Notes & Personal Knowledge Management.