CSS Sprite Generator - A tool for generating image sprites and CSS for your web site.
Sprite Cow - Sprite Cow helps you get the background-position, width and height of sprites within a spritesheet...
Spritesheet - CssSpriter is a small utility (with a nice graphical user interface) to create css sprite sheets from multiple icons (like icons, buttons, ....
CSS Sprite Generator (Beta) - Software to create CSS Sprite from scratch. It takes away the hard work of placing images and generating supporting css away.
PICO-8 - Lua-based fantasy console for making and playing tiny, computer games and programs.
Aseprite - Aseprite is an art program dedicated to the creation of pixel art.