MacPAR deLuxe is described as 'utility program that runs on the Apple Macintosh. It is useful to you if you download (or upload) binary files from internet newsgroups (a.k.a. “Usenet”)'. There are three alternatives to MacPAR deLuxe for a variety of platforms, including Windows, Wine, Android, Android Tablet and BSD. The best alternative is MultiPar, which is free. Other great apps like MacPAR deLuxe are Par-N-Rar (Free, Open Source) and ParPar (Free, Open Source).
ParPar is a high performance, multi-threaded PAR2 creation tool and library for node.js. ParPar does not verify or repair files, only creates redundancy. ParPar is a completely new, from ground-up, implementation, which does not use components from existing PAR2 implementations.