Add-ons
Most Popular All »
- 1. Lightning 6,891,657 users
- 2. ImportExportTools 477,256 users
- 3. Provider for Google Calendar 309,960 users
- 4. LookOut (fix version) 104,435 users
- 5. Mail Redirect 37,821 users
- 6. Addressbooks Synchronizer 33,999 users
- 7. LookOut 26,013 users
- 8. DOM Inspector 25,263 users
- 9. Display Mail User Agent 23,900 users
- 10. ChatZilla 23,581 users
Featured Extensions See all »
-
The first and only download manager/accelerator built inside Firefox!1,236 users -
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.2,242 users -
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.6,891,657 users
Up & Coming Extensions See all »
-
Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.1,826 users -
Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".2,604 users -
SmartTemplate4 offers an easy way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every account as well as for the default (all email accounts). Also supports the Stationery Add-on.18,173 users -
Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page. The successor to Super DragAndGo.22 users
Featured Collections See all »
-
Featured Add-ons for Seamonkey
None
15 add-ons
To create your own collections, you must have a Mozilla Add-ons account.
