SeaMonkey is powered by Mozilla and uses much of the same Mozilla source code which powers such successful siblings as Firefox, Thunderbird, Camino, Sunbird and Miro.
Internet Browser with all features from major browsers including tabbed browsing, built-in popup blocker, download manager, security settings etc
Image manager to block or remove images either to remove offensive content or to speedup your page load
Fin as you type to highlight text. You don’t need to select Search from menu or “CTRL+F” to find. Simply start typing and you should see any link with the keyword highlighted
Adaptive Junk mail control, Label and mail views, colour code mails by priority, multiple mail account support on email client
Simple HTML Editor
IRCChat client (Chatzilla)
Click here to download SeaMonkey.
There is a Beta 2.0 version that can be downloaded to test the new features here.