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

Hosted sync and collaboration service for the Joplin note-taking app. Provides cloud synchronization of notes and notebooks across devices, end-to-end encrypted storage, note sharing and publishing, team workspaces, and account/subscription management.
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, 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
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
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.

734 stars161 forksAGPL-3.0last commit Actively maintained
Self-hosted Google Keep–style notes app built with Vite + React and an Express + SQLite API. Supports Markdown, checklists, images, PWA, collaboration and Docker deployment.
599 stars52 forksMITlast commit Slowing down
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.
155 stars6 forksAGPL-3.0last commit Actively maintained
Turtl is an end-to-end encrypted note-taking and bookmarking app with tagging, full‑text search, and optional self-hosted sync via Turtl Server.

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. 5 of 7 shipped a commit in the last six months. Licences in this list: GPL-3.0, AGPL-3.0, MIT. In exchange you take on hosting, backups and updates yourself.
Browse everything in Notes & Personal Knowledge Management.