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
Local-first knowledge management and note-taking app with outlining, bidirectional links, task management, and optional cloud sync and publishing. Stores notes in plain files (Markdown/Org), supports plugins and themes, and builds a personal knowledge graph.
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
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
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
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
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
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.

1.1k stars61 forksAGPL-3.0last 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.

902 stars68 forksAGPL-3.0last commit Actively maintained
Nextcloud Notes is a distraction-free note-taking app with Markdown support, favorites, and a REST API. Notes are stored as files in your Nextcloud for easy syncing.

729 stars157 forksAGPL-3.0last commit Actively maintained
Silicon Notes is a lightweight personal knowledge base built with Flask. It offers Markdown editing, syntax highlighting, backlinks, full-text search, page history, and export/import.
263 stars6 forkslast commit Actively maintained
Self-hosted graph-powered personal knowledge base with AI search, chat, and multi-format ingestion.
260 stars10 forksAGPL-3.0last commit Actively maintained
Lightweight note-taking app that stores notes as markdown files and folders on the filesystem; offers fast OS-optimized search, Milkdown editor, and Docker support.
156 stars6 forksAGPL-3.0last commit Actively maintained
Feather Wiki is a lightweight, self-contained wiki that runs from a single HTML file, with Markdown support and optional server-saving via WebDAV-style PUT.

Activity unknown
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: MIT, AGPL-3.0, GPL-3.0, GPL-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Notes & Personal Knowledge Management.