- [Dnote](https://www.getdnote.com) - A simple command line notebook with multi-device sync and web interface. ([Source Code](https://github.com/dnote/dnote)) `AGPL-3.0``Go`
- [draw.io](https://draw.io) - Diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams. ([Source Code](https://github.com/jgraph/drawio)) `Apache-2.0``Javascript/Docker`
- [flatnotes](https://github.com/dullage/flatnotes) - A self-hosted, database-less note-taking web app that utilises a flat folder of markdown files for storage. ([Demo](https://demo.flatnotes.io)) `MIT``Docker`
- [HedgeDoc](https://demo.hedgedoc.org/) - Realtime collaborative markdown notes on all platforms, formerly known as CodiMD and HackMD CE. ([Source Code](https://github.com/hedgedoc/hedgedoc)) `AGPL-3.0``Docker/Nodejs`
- [HedgeDoc](https://demo.hedgedoc.org/) - Realtime collaborative markdown notes on all platforms, formerly known as CodiMD and HackMD CE. ([Demo](https://demo.hedgedoc.org/), [Source Code](https://github.com/hedgedoc/hedgedoc)) `AGPL-3.0``Docker/Nodejs`
- [Joplin](https://joplinapp.org/) - Joplin is a note taking application with Markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through self hosted Nextcloud or similar (alternative to Evernote). ([Source Code](https://github.com/laurent22/joplin)) `MIT``Nodejs`
- [kiwix-serve](https://www.kiwix.org/en/downloads/kiwix-serve/) - HTTP daemon for serving wikis from ZIM files. ([Source Code](https://github.com/kiwix/kiwix-tools)) `GPL-3.0``C++`
- [Livebook](https://livebook.dev) - Realtime collaborative notebook app based on Markdown that supports running Elixir code snippets, TeX and Mermaid Diagrams. Easily deployed using Docker or Elixir. ([Source Code](https://github.com/livebook-dev/livebook)) `Apache-2.0``Elixir/Docker`