Keeper.sh calendar sync: read and book events, RSVP and find free time across synced calendars.
Free
One server, in productivity & workflow. Keeper.sh calendar sync: read and book events, RSVP and find free time across synced calendars.
Productivity & Workflow
Keeper.sh calendar sync: read and book events, RSVP and find free time across synced calendars.
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.