Software

Collaborative note taking, wiki and documentation platform that scales. ([Source Code](https://github.com/suitenumerique/docs))

Diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams. ([Source Code](https://github.com/jgraph/drawio))

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))

Note taking application with markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through your own Nextcloud instance or similar (alternative to Evernote). ([Source Code](https://github.com/laurent22/joplin))

Lightweight but powerful alternative for managing your personal, file based, notes and checklists. ([Source Code](https://github.com/fccview/jotty))

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))

Knowledge base that works with a SQLite db file. ([Demo](https://demo.usememos.com/explore), [Source Code](https://github.com/usememos/memos))

Minimal web-based Markdown notes app. ([Source Code](https://github.com/enchant97/note-mark))

Web-based collaborative LaTeX editor. ([Source Code](https://github.com/overleaf/overleaf))

Modern note taking application for the cloud, utilizing the best features of progressive web apps technology. ([Demo](https://demo.plainpad.org), [Source Code](https://github.com/alextselegidis/plainpad))

Note-taking application optimized for people with a hacker mindset. ([Demo](https://play.silverbullet.md/), [Source Code](https://github.com/silverbulletmd/silverbullet), [Clients](https://silverbullet.md/Libraries))

Simple and private notes app. Protect your privacy while getting more done. That's Standard Notes. ([Demo](https://app.standardnotes.com/), [Source Code](https://github.com/standardnotes/app))

Totally private personal database and note taking app. ([Source Code](https://github.com/turtl))

Lightweight distraction-free text editor, in the browser (Markdown and LaTeX supported). No lag when writing. ([Source Code](https://github.com/josephernest/writing))

Collabora Online Development Edition (CODE) is a powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats, which you can integrate in your own infrastructure. ([Source Code](https://gerrit.collaboraoffice.com/plugins/gitiles/online))

Collaboration suite built to enable collaboration, synchronizing changes to documents in real time. ([Source Code](https://github.com/cryptpad/cryptpad))

Create multimedia presentations in a quick and easy way (documentation in French). ([Demo](https://ladigitale.dev/digislides/), [Source Code](https://codeberg.org/ladigitale/Digislides))

Highly customizable online editor providing collaborative editing in real-time. ([Demo](https://demo.sandstorm.io/appdemo/h37dm17aa89yrd8zuqpdn36p6zntumtv08fjpu8a8zrte7q1cn60), [Source Code](https://github.com/ether/etherpad))

Next-generation spreadsheet with relational structure, formula-based access control, and a portable, self-contained format (alternative to Airtable). ([Demo](https://docs.getgrist.com), [Source Code](https://github.com/gristlabs/grist-core))

Office suite that enables you to manage documents, projects, team and customer relations in one place. ([Source Code](https://github.com/ONLYOFFICE/DocumentServer))

End-to-end encrypted password manager with a built-in email alias generator and server. ([Source Code](https://github.com/aliasvault/aliasvault))

Collaborative password manager. ([Source Code](https://github.com/passbolt/passbolt_api))

Simple password manage with sharing features by group and user, but no administration interface. ([Demo](https://app.passit.io/), [Source Code](https://gitlab.com/passit))

Password manager for companies. ([Demo](https://www.psono.pw), [Source Code](https://gitlab.com/esaqa/psono/psono-fileserver))