Welcome to SeaMonkey Add-ons.

Add extra features and styles to make SeaMonkey your own.

Close

On the go?

Check out our Mobile Add-ons site.

Close

Featured Extensions

Subscribe

xSidebar Requires Restart Featured

Firefox style sidebars for SeaMonkey...

Rated 4 out of 5 stars (12)
15 users

Download Now

DownThemAll! Featured

The first and only download manager/accelerator built inside Firefox!

Rated 4 out of 5 stars (2,896)
1,092 users

Download Now

NewsFox Requires Restart Featured

NewsFox is an efficient 3-pane(email) style Atom/RSS feed reader.

Rated 4 out of 5 stars (239)
88 users

Download Now

FlashGot Mass Downloader Requires Restart Featured

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.

Rated 5 out of 5 stars (889)
1,989 users

Download Now