ImageOptim - Faster web pages and apps.
jStrip - jStrip is a free tool to reduce the file size of JPEG images without sacrificing image quality.
OptiPNG - OptiPNG is a command-line PNG optimizer that recompresses image files to a smaller size, without...
ImageAlpha - ImageAlpha is a GUI for pngnq and pngquant.
TruePNG - Command-line PNG optimizer.
AdvanceCOMP - Play MAME on your TV Arcade Monitor or Fixed Frequency Monitor