A handy tool for creating animated CSS gradients.
A powerful Photoshop-like CSS gradient editor from ColorZilla
I’m not sure it is possible to write CSS gradient rules by hand.
Bfxr is an elaboration of the glorious Sfxr, the program of choice for many people looking to make sound effects for computer games.
A really nice tool for creating custom sound effects, I just wish it wasn’t Flash. Still, it works well and I’ve used it to create the sound effects for a HTML5 game I’ve been working on.
A parody site generating application. Sadly, the parodies this thing generates are better than most actual websites :(