Your week,next to your mail.
Sollo’s calendar sits one click from Mail. Use its own calendars, or connect a CalDAV server. An invitation arrives as a card in its thread: answer it there, and it is in your week.
Invitations
An invitation is a card in its thread. Sollo checks your week first, and Accept puts it in your calendar.

An event links to the mail it came from, its people to their client pages, and your working hours to Time.
D, W and M switch views, T goes to today. The day view lists the day’s agenda beside the grid.

Fastmail, Infomaniak, Nextcloud or any CalDAV server, connected from your computer like your mail. Calendars made in Sollo are kept in Switzerland.

N opens a new event: title, time, calendar and people. Times follow the time zone you set.

Proton Calendar isn’t reachable through Bridge, so Proton users use Sollo’s own calendar. Invitations still work through mail.