RbApp is a platform-neutral collection of reusable REALbasic classes to help programmers create industrial strength applications on Macintosh and Windows. RbEdit provides enhanced editing of large text files with Undo/Redo and Find/Replace commands. RbView provide a rich drawing framework based on REALbasic?s graphic classes. RbCommand is an Undo/Redo command framework. RbPalette offers toolbars and palettes for any platform. Use RbStringList to add, delete, alphabetize, iterate and manipulate a list of strings. RbXML is a single class to easily read and write data as XML files. RbHelp adds interactive online help using QuickHelp to applications on any platform. RbLibrary has methods to build fast text reports and manipulate text files for different platforms.