My favorite Thunderbird addons
by Stiwi
About this Collection
3 Add-ons in this Collection
Addressbooks Synchronizer by Günter Gersdorf
28,015 users
Synchronizes selected addressbooks with other instances of thunderbird
using local files, webdav servers or imap servers
Sensitivity Header by ff_bob
51 users
Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.
No longer maintained: See below.
What are Collections?
Collections are groups of related add-ons that anyone can create and share.
Explore CollectionsTo create your own collections, you must have a Mozilla Add-ons account.