Though console applications are open source (PAR clients are GPL), GUI application is closed source. Console applications and some UI resource are open source.




ParPar is described as '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' and is a File Recovery tool in the security & privacy category. There are five alternatives to ParPar for Windows, Mac and Linux. The best ParPar alternative is MultiPar, which is free. Other great apps like ParPar are Par-N-Rar, ICE ECC, MacPAR deLuxe and par2cmdline-turbo.
Though console applications are open source (PAR clients are GPL), GUI application is closed source. Console applications and some UI resource are open source.




Par-N-Rar is a graphical utility which accepts a directory as input and will repair/verify any PAR/PAR2/SFV/MD5 files in that directory. Once it verifies a set of files, it will attempt to unRAR them. Once it finishes unRARing a RAR archive, it will (optionally) remove the...

ICE ECC is a file verification and repair tool. ICE ECC allows you to protect your important files and sensitive data against digital corruption using Reed-Solomon codes
MacPAR deLuxe is a 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”).
This is a fork of par2cmdline which replaces core computation routines with ParPar’s processing backend, improving par2cmdline’s performance on x86/ARM platforms.