SMB Utility - This is the most amazing SMB editor yet.
Express Zip - ExpressZip is a free to use and multiplatform file compression and extraction software for Mac OPS-X and Windows operating systems.
Cheat Engine - Cheat Engine is an open source memory scanner/hex editor/debugger for Windows.
gzip - GNU Gzip is a software application used for file compression and decompression.
SMB Title Screen Editor - A title screen editor for Super Mario Bros. GUI is in Japanese. English readme created by AP.
Lunar Magic - Lunar Magic is a level editor created for Super Mario World.