Essentials by RSL

by RSL

10 Add-ons in this Collection

Lightning by Mozilla Calendar Project

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.

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 514 reviews

294,383 users

Allows bidirectional access to Google Calendar

Zindus by Leni Mayo

Rated 4 out of 5 stars 196 reviews

51,122 users

Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)

Stationery by Arivald

Rated 4 out of 5 stars 63 reviews

38,453 users

Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!

Gmail Twitter & Facebook Signature - WiseStamp by The WiseStamp Team

Rated 4 out of 5 stars 281 reviews

45,179 users

Using Gmail? Google mail? Yahoo? Hotmail or Thunderbird? Empower your email with your Twitter, Facebook, LinkedIn, Youtube, eBay item and many more apps...Create a powerful & effective email signature that dose the job ☛ Get it now!

Mailbox Alert by Tjebbe

Rated 4 out of 5 stars 88 reviews

17,945 users

Mailbox Alert allows you to specify, for each seperate mail folder, a message, sound and/or a system command that will be executed when new mail is found there. ...

Thunderbird Message Filter Import/Export by Wind Li

Rated 3 out of 5 stars 59 reviews

12,150 users

Thunderbird Message Filter Import/Export is a thunderbird/mozilla extension to import/export message filters.

Display Mail User Agent by Jürgen Ernst

Rated 4 out of 5 stars 99 reviews

38,853 users

Displays icon for user agent of received mails.

Mark All Read Button by Mark S Baines

Rated 4 out of 5 stars 26 reviews

4,461 users

Adds toolbar buttons to Mark All emails as read and Mark Thread as read.

ToneQuilla by R Kent James

Rated 4 out of 5 stars 14 reviews

2,169 users

Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.

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