pyz80 is a z80 cross-assembler written entirely in Python. It accepts text files with the syntax of the Sam Coupe's popular COMET assembler, and outputs a disk image suitable for loading in SimCoupe or transferring to floppy disk for use with a real Sam.
An UI editor for j2me developers. You can draw images with this tool and then generate j2me codes which draws the same image by drawLine(), drawRect(), etc.