REALbasic is the powerful, easy-to-use tool that enables users at all levels to create powerful utilities, games, even automate Microsoft Office, quickly and easily.
In addition, you can create applications for Mac Classic, Mac OS X, even Windows and Linux, from your single source-code base. Sell your programs or share them with your friends. Forget having to learn a complex programming language such as C++ or the details of the Mac Toolbox. Create the entire user interface for your application in minutes without any programming.
In addition, if you know Visual Basic, you What's New
Version 5.5.5 improves reliability inREALbasic and improves the user experience for VB Project Converter. VBProject Converter is a utility included for free with REALbasic that helpsVisual Basic developers port existing applications to REALbasic where theycan be cross-compiled for Linux and Mac. Requirements
PPC, PowerPC Mac, including G3, G4, G5System 8.6 or later, including Mac OS X (10.1 or later required)
REALbasic 5.2.1 (latest stable release)Book: REALbasic: The Definitive GuideResExcellence: REALbasic Tutorial