Jagent is a suite for manipulating Creatures 3 and Docking Station agents. It consists of a sprite tool (Edos) and a PRAY tool (Monk). It requires Java (http://java.com/)
Tilemaster is a tool to create, edit and manage tilesets for (C)RPGs and other types of computer games. Tilemaster supports tile metadata and includes a simple tile/sprite editor as well.
Tool to help the process of cutting sprites (2D image for animating). Made in java. Help to cut several images with the same size and get all together in a new image ready to use as a sprite. It has tools to auto-cut and animation tester.