1. PowerPrep Software : Preparing for the GRE general test (ETS)
2. Inside the GRE (RevieWare)
3. The Princeton Review Diagnostic Tests
4. Peterson's Interactive GRE TestPrep
5. Kaplan's Higher Success on the GRE
6. Kaplan's GRE Digital Test Book
7. Cliff's StudyWare for the GRE
Email me if you are aware of any new software