1 121 788 gebruikers
Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
289 111 gebruikers
Allows bidirectional access to Google Calendar
95 662 gebruikers
Access to Google contacts and synchronize them with Thunderbird address books.
153 255 gebruikers
Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)
19 427 gebruikers
Manage your tasks from Thunderbird, even while offline.
20 670 gebruikers
Add Dropbox support to Thunderbird's Filelink feature.
22 390 gebruikers
Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.