Cyotek Spriter is a tool designed to created, edit and manage CSS sprites for use with HTML content systems. It features various productivity features to make creating and using CSS sprite sheets easy and maintainable.
Although mainly designed for CSS, the templating system can be used to output any text based document you want. Combined with flexible output options this means Spriter can also be used to create sprite sheets / texture atlases for arcade games, tool strips for applications or other similar tasks.