A calendar or address book that's stored only in this browser. No account needed.

To connect iCloud, Fastmail, Nextcloud or your work server, you need your free AIM account (to remember the connection on any device). What you have on this device stays where it is.

To subscribe to a calendar by its address, you need your free AIM account: our server downloads it for you every so often. What you have on this device stays where it is.

Bring in events from an .ics file (from Google, Outlook or Apple) or contacts from a .vcf file. You can also drag the file into the window.