Read calendars and create, change or (opt-in) delete events on any JMAP server, such as Stalwart.
Free
One server, in productivity & workflow. Read calendars and create, change or (opt-in) delete events on any JMAP server, such as Stalwart.
Productivity & Workflow
Read calendars and create, change or (opt-in) delete events on any JMAP server, such as Stalwart.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.