Joplin source
Note taking application with markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through a self hosted Nextcloud instance or similar (alternative to Evernote).
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12 self-hosted alternatives to Docs (2026)
Collaborative note taking, wiki and documentation platform that scales.
Blinko source
A personal note tool with AI features.
DailyTxT
Encrypted diary Web application to save your personal memories of each day. Includes a search function and encrypted file upload.
draw.io source
Diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams.
flatnotes
Database-less note-taking web app that utilises a flat folder of markdown files for storage.
HedgeDoc source
Realtime collaborative markdown notes on all platforms, formerly known as CodiMD and HackMD CE.
Jotty source
Lightweight but powerful alternative for managing your personal, file based, notes and checklists.
Livebook source
Realtime collaborative notebook app based on Markdown that supports running Elixir code snippets, TeX and Mermaid Diagrams. Easily deployed using Docker or Elixir.
Many Notes
Markdown note-taking web application designed for simplicity.
Memos source
Knowledge base that works with a SQLite db file.
Note Mark source
Minimal web-based Markdown notes app.
Overleaf source
Web-based collaborative LaTeX editor.