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




dvdisaster is described as '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)' and is a File Recovery tool in the backup & sync category. There are more than 10 alternatives to dvdisaster for Windows, Linux, BSD, Mac and Python. The best dvdisaster alternative is MultiPar, which is free. Other great apps like dvdisaster are ViceVersa, CDCheck, checksum and Recovery Toolbox for CD.
Though console applications are open source (PAR clients are GPL), GUI application is closed source. Console applications and some UI resource are open source.




ViceVersa does File Synchronization, File Replication, File Backup and File Comparison. It can automatically verify data using a CRC32 checksum.





CDCheck can check each of your CDs and DVDs and indicate which files are corrupted. It also provides a comparison option that lets you select a reference directory and compare the files on disk (or other media) with files on the CD or vice versa.



checksum is an easy-to-use, no-nonsense BLAKE2, SHA1 & MD5 hashing program for Windows, capable of creating & verifying hashes of files and folders, even whole drives, with just one or two clicks. It is robust, lightning fast, intuitive, and completely customizable.




Recovery Toolbox for CD Free has been developed for recovering data from corrupted media of all types that are most common nowadays: CD, DVD, HD-DVD, Blu-Ray, etc. The program allows you to recover files of any types.




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
VSO-Inspector is a free add-on to report various information about your hardware configuration. Using this freeware, you can check the listed cd and dvd readers and writers connected to your computer, check the firmware used.



QPxTool is the linux way to get full control over your CD/DVD drives. It is the Open Source Solution which intends to give you access to all available Quality Checks (Q-Checks) on written and blank media, that are available for your drive.




Use CDRoller to recover, retrieve, rescue and fix files and data from CD, DVD, Blu-Ray discs, hard and flash drives, memory cards, mini dvd camcorders, etc.



Suite of tools for file fixity (data protection for long term storage) using redundant error correcting codes, hash auditing and duplications with majority vote, all in pure Python.
dvdisaster creates checksums to restore unreadable data from optical media while ViceVersa is used to synchronize data.