CryptPad
Plenty of features: Rich text, code, presentation, sheet, form, kanban, whiteboard and CryptDrive. Encrypted data is hosted in France but you can also self-host it or select…
Open Source Productivity
The Productivity we recommend, filtered to Open Source. See all Productivity →
Collabora Online
Self-hosted online office suite built on LibreOffice, designed to integrate with Nextcloud and ownCloud.
ONLYOFFICE
Features: Online document editors, platform for document management, corporate communication, mail and project management tools. Read more: Data Security & Access Control -…
LibreOffice
LibreOffice consists of programs for word processing, creating and editing of spreadsheets, slideshows, diagrams and drawings, working with databases, and composing…
Etherpad
Highly customizable open-source online editor providing collaborative editing in real time.
Vikunja
The project is still under development and the native apps are not final yet, but the web version works great. Offers an import feature from Todoist, Trello and Microsoft To-Do.
EtherCalc
Your data is saved on the web, and people can edit the same document at the same time. Everybody's changes are instantly reflected on all screens.