PrivMX
The complete teamwork experience: Chats & calls, files, tasks, kanban boards, mind maps and calendars. Team members can communicate one-on-one, group chat and section channels.…
Windows Productivity
The Productivity we recommend, filtered to Windows. See all Productivity →
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.