Favourite extensions for Thunderbird

Display Mail User Agent Extension

Maybe not very useful, but still nice to see: an icon of the program used by the writer shows next to the header data.

Dictionary Switcher
If you compose messages in several languages this simple extension is a must have!

Lightning
An integrated calendar and tasklist for Thunderbird.

Provider voor Google Agenda
Synchronize Lightning with Google Calendar

Zindus
Synchronize contacts with Google Gmail.


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