diglloydTools works fine on OS X Yosemite without any updates needed.
Links and articles on diglloydTools:
- Wiping Free Space on Hard Drives and SSDs
- How to Safely Transfer Data or Verify Backups (IntegrityChecker)
- How to Verify Multiple Backups Simultaneously (IntegrityChecker) and Are Your Backup Drives Still Functional?
- Testing speed of any hard drive or SSD and graphing it across the capacity.
- Testing a drive for reliability.
- Search for diglloydTools articles.
- diglloydTools user manual