EGroupware vs Mozilla Thunderbird
| EGroupware | Mozilla Thunderbird | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | €21.90/mo | Free |
| Open source | Yes | Yes |
| Platforms | Web, Linux, Windows, macOS | Android, Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Shared calendars | Yes | — |
| Calendar sync | two_way | — |
| Mobile apps | none | Android |
| Video meeting support | Yes | — |
Both are listed in Best Calendar Apps. On The Geeks Club, Mozilla Thunderbird scores higher on our published basis.