Isobuster - Low cost utility to recover data from damaged, scratched, or otherwise defective discs.
Ossec - OSSEC is an Open Source Host-based Intrusion Detection System.
CDRoller - Recover your valuable data shortly! Recover data from CD, DVD, Blu-Ray discs, flash memory cards with CDRoller - powerful, easy-to-use and low-cost software for CD / DVD / BD / HD-DVD / Flash data recovery
Samhain - The Samhain host-based intrusion detection system (HIDS) provides file integrity checking and log...
CDCheck - CDCheck can check each of your CDs and DVDs and indicate which files are corrupted.
Tripwire - Open Source Tripwire software is a security and data integrity tool useful for monitoring and...