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Identity Chooser

Identity Chooser helps you to always use the correct identity when composing a new email.

Rated 4 out of 5 stars (149)
6,083 users

Folder Account

Lets you associate user accounts and identities with specific folders. Great for multiple users who share TB, or for managing mailing lists.

Rated 4 out of 5 stars (64)
1,824 users

Thunder Sign Editor

Thunder Sign Editor ✍️
Visual signature editor for Thunderbird (WYSIWYG)

Thunder Sign Editor is a lightweight Thunderbird extension that lets you visually design, copy, and apply email signatures to any of your Thunderbird identities.

Rated 4 out of 5 stars (4)
276 users

DynSign

DynSign is a Thunderbird extension that dynamically inserts a signature into your emails. It allows you to keep your email signature up to date without having to manually edit it in Thunderbird.

https://github.com/Vozodo/DynSign

Not yet rated
55 users

BorderColors D

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

Rated 4 out of 5 stars (36)
7,956 users