Alternatives to 1calendar for all platforms with Open Source License

iRedMail

A fully fledged, free email server solution, an open source project (GPL v2). Use official binary packages from Linux/BSD distributions, with both i386 and x86_64...

Freemium Open Source Linux BSD Self-Hosted
Email Server Add a feature

20 Like
Know any more alternatives to 1calendar?
Suggest an application to this list

Know any alternatives we haven't listed?

We want more alternatives to 1calendar. Feel free to add any alternative that you know of, or ask your friends on Twitter or Facebook if they can help out.

Active filters: opensource, clear and show all alternatives

Alternatives to 1calendar for all platforms with Open Source License

iRedMail

Know any more alternatives to 1calendar?

Platforms

License