Easily counts down from a predefined number and alarms you when the count has reached zero.

Insert an About button for each add-on into the Add-ons list.

Export your extensions!

Replace your error page with a more stylish appearance with additional features.

An enhanced text formatter for GaiaOnline Forums, Private Messages, Guilds, and Profile comments.

Track Packages from the right-click menu.

SeaMonkey add-on to watch a video from a webpage with mpv

Дополнения SeaMonkey