Jarrut is a tool that makes developing and debugging Java ME applications (application using CLDC to be more specific) a bit less of a pain. Jarrut enables proper stack traces for exceptions, also when running a MIDlet on a real device
Tile map editor (TileME) is for design tile maps with a single tiled image and export map data as an array. this is a very good tool for J2ME game prgrammers and with a very little changes you can use it for any other languages. Tile map Editor DEVEL