Here's a couple tools I've found useful:
: The best tool for making your own 8bit sound effects for video games. Highly recommended, if 8bit sound effects are what you're after. And it's free.[/*:m:3cp25xyi]
: Sound editing software. It's good
, but not great
. Then again, it's free. Oh, and open-source.[/*:m:3cp25xyi][/list:u:3cp25xyi]
Um, can't think of any others I'd recommend right now that haven't already been mentioned. I've heard some good things about Graphics Gale if you want a program dedicated to pixel art. I haven't tried it myself, though.