TechTool Deluxe 3.1.3 updater - 09/05/09 12:56 AM
TechTool Deluxe is a reduced version of TechTool Pro that is supplied with AppleCare. The program can be updated to version 3.1.3, which is fully compatible with Snow Leopard:
TechTool Deluxe 3.1.3 updater
TechTool Deluxe 3.1.3 updater