My InUse ThunderBird
About this Collection
9 Add-ons in this Collection
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.
Allows bidirectional access to Google Calendar
Manage your tasks from Thunderbird, even while offline.
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)
Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.
Add Dropbox support to Thunderbird's Filelink feature.
Identity Chooser helps you to always use the correct identity when composing a new email.