Compare software

tine GroupwareBitrix24
Free

Open-source software; the research does not detail any paid offerings.

 Freemium

Can be started for free; paid plans are offered.

Web, Self-hosted Windows, Android, Web
  • Email, calendar, contacts and tasks in one platform
  • Resource planning for shared appointments
  • Browser, desktop and mobile access to the same workspace
  • Free starting option
  • Website and documentation mostly in German
  • Aimed at organisations rather than individual users
  • Hosted service that requires an account in a company Bitrix24
  • Desktop app supplements the browser version rather than replacing it
Self-hosted Downloadable app, Web application, Hosted service
Open source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.