ACE (Auditing Control Environment) is a system that incorporates a new methodology to address the integrity of long term archives using rigorous cryptographic techniques. ACE continuously audits the contents of the various objects according to the policy set by the archive, and provides mechanisms for an independent third-party auditor to certify the integrity of any object.
"version control for large binary files". Boar stores snapshots of directory trees in a local or remote repository and provides tools to ensure that your data is consistent and complete. You can keep just some or all of your data checked out for viewing and editing. The repository has a simple layout to ensure that the data can easily be extracted even if the original software should be unavailable. This simplicity makes boar ideal for data that needs safe long-term storage.