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-based outlining and note-taking app that uses nested lists to capture ideas, plan projects, and organize tasks. Features include zooming into lists, tags, search, real-time sync, and sharing/collaboration across devices.
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
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 stars548 forksAGPL-3.0last commit Actively maintained
Open-source CLI task manager with tagging, projects, priorities, recurrence, filtering, extensible hooks and optional sync.

6k stars421 forksMITlast 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
Single-file, offline-capable kanban/task board that stores boards in the browser; supports multiple boards, drag-and-drop, undo/redo, export/import and local backup agents.

4.1k stars284 forkslast commit Likely dormant
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
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
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 stars397 forksGPL-2.0last 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 stars114 forksAGPL-3.0last commit Actively maintained
Open-source Rails web app for David Allen's GTD: manage next actions, contexts, projects, tags, feeds and statistics; Docker-friendly and multi-user.

1.2k stars530 forksGPL-2.0last commit Actively maintained
Zen is a minimal self-hosted notes app that stores notes as Markdown with a local SQLite database, featuring fast full-text search, tagging, templates, and low resource usage.

1.2k stars62 forksAGPL-3.0last commit Actively maintained
Self-hosted Markdown note-taking web app with multi-user vaults, real-time collaboration, fast search, templates, backlinks/tags, PDF export, and PWA support.

1.1k stars44 forksMITlast commit Actively maintained
Privacy-first, end-to-end encrypted note-taking app with desktop, mobile and web clients, open-source code, web clipper, bidirectional links, and a self-hostable sync server.

914 stars69 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. 19 of 20 shipped a commit in the last six months. Licences in this list: AGPL-3.0, MIT, GPL-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Notes & Personal Knowledge Management.