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 1,023 reviews

372,260 users

Allows bidirectional access to Google Calendar

Zindus by Leni Mayo

Rated 4 out of 5 stars 207 reviews

35,182 users

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

Stationery by Arivald

Rated 4 out of 5 stars 108 reviews

44,357 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!

Mailbox Alert by Tjebbe

Rated 4 out of 5 stars 106 reviews

20,686 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. ...

Gmail email Signature - WiseStamp by The WiseStamp Team

Rated 4 out of 5 stars 301 reviews

31,533 users

Signatures for Gmail, Google Mail, Yahoo Mail

Display Mail User Agent by Jürgen Ernst

Displays icon for user agent of received mails.

Thunderbird Message Filter Import/Export by Wind Li

Rated 3 out of 5 stars 68 reviews

9,225 users

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

Mark All Read Button by Mark S Baines

Rated 4 out of 5 stars 29 reviews

4,965 users

Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.

ToneQuilla by R Kent James

Rated 4 out of 5 stars 16 reviews

2,793 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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