dvdisaster
Dvdisaster stores data on your CD/DVD/BD including additional error correction data to protect against data loss due to disk surface degradation (read errors).
Though console applications are open source (PAR clients are GPL), GUI application is closed source. Console applications and some UI resource are open source.
multipar does archivalgrade file verification and repair to protect files from all forms of loss or corruption. backups alone are not enough because data will gradually "rot" without multipar. data loss can be caused by errors in backup copying, deletion, software bugs, hardware errors, viruses, tampering, etc. multipar can restore data even if some files are completely erased.
multipar supports fast multicore processors, nested folders, par1, par2 (with extra features), and experimental versions of nextgeneration par3 technology. par3 is not reliable yet, so please use par2 for normal data protection. multipar replaces quickpar . multipar's gui is from the look and feel of quickpar.
note: multipar.eu is a malicious spam site.
Portable File compression Copy files Recover deleted files Recover lost data
Productivity Utilities Security Backup and Sync File Management
portable backup-and-restore file-management file-archiving file-copy hash-checker data-security file-transfer data-management data-recovery file-recovery file-compare error-checker data-migration data-protection file-verification hash data-integrity-test verification data-maintenance error-correction file-maintenance file-preservation hashes verify