SeaMonkey è una suite di applicazioni internet nata come continuazione della Mozilla Application Suite. Comprende un browser web (SeaMonkey Navigator), un client di posta elettronica e newsreader (SeaMonkey Mail & Newsgroups, che condivide il codice con Mozilla Thunderbird), un editor HTML (SeaMonkey Composer) ed un client IRC (Chatzilla).

Changelog:

What´s New in SeaMonkey 2.12

SeaMonkey 2.12 contains the following major changes relative to SeaMonkey 2.11:

SeaMonkey-specific changes

Plugin instances can now be enabled individually in Click-to-Play Plugins mode.
Mozilla platform changes
Added support for SPDY networking protocol v3.
Implemented WebGL enhancements, including compressed textures for better performance.
Optimized memory usage for add-ons.
Implemented the CSS word-break property.
Implemented high precision event timer.
HTML5: Added native support for the Opus audio codec.
HTML5: Added support for the source element media attribute.
HTML5: Added support for the audio element and video element played attribute.
Fixed several stability issues.
The changes page lists a more detailed overview of new features and fixes relative to our last stable release, SeaMonkey 2.11. Relevant security fixes are listed on Security Advisories for SeaMonkey.