To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseReview for Open Google Calendar by Janus
Rated 4 out of 5 stars
Although I have multiple Google (IMAP) email accounts connected to Thunderbird, I am not able to switch to one of my other accounts on this extension/add-on.
To create your own collections, you must have a Mozilla Add-ons account.