FastCopy is free open source (GPLv3 license) software, a portable file and directory copier that runs under Microsoft Windows.

QuickPar is a software that creates parchives used as verification and recovery information for a file or group of files, and uses the recovery information, i…

Parchive (a portmanteau of parity archive, and formally known as Parity Volume Set Specification) is an erasure code system that produces par files for checks…

RapidCRC is an open source CRC/MD5/SHA hashing program.