Rainbow IDE is a must-see assembly IDE for Windows Vista, XP, 98, ME, 2000, 95, and Linux (via Wine). It integrates with the M.E.S.S. emulator system for streamlined "source-to-running" in seconds! It includes various cross assemblers and lets you add other assemblers!

Rainbow can build virtual floppy disks (.DSK) files and ROMs and emulate your software immediately! Most settings are accessible from the side panels. Talk about nice!

Java applet navigation button menus with mouse-sensitive animation and pulsing effects. Apply them to any graphic of your choice. Transition effects include classic fades, rainbow fades, folding page effects, ripples and waves, sweeps and wipes. Highly user-configurable. Loads of parameters to design your own transition effects. For fast download times, attractive and configurable internal graphics are optionally available.