Regina is a Rexx interpreter that has been ported to most Unix platforms and also to OS/2, eCS, DOS, Win9x/Me/NT/2k/XP, Amiga, QNX, BeOS, MacOS X, EPOC32, AtheOS, OpenVMS and OpenEdition. Rexx is a programming language that was designed to be easy to use for inexperienced programmers yet powerful enough for experienced users. It is also a language ideally suited as a macro language for other applications.