Thanks for your answers... I've been trying it today. It looks great and it integrates perfectly with RC. The one from MyRoundCube plugins has its own icons, I don't understand why, but as Sebastian says CalDav is a necessity.
We'll keep waiting...
Aleix.
> Hi,
>
>>> Is this a new plugin? It looks great...
>>
>> It's written by Roundcube developers for Kolab Systems. It has
>> driver-based backend and currently supports SQL and Kolab backends.
>
> are there any plans to provide a CalDAV backend for this calendar?
>
> Thanks,
> Sebastian