Thursby Software Systems today announced that it has released upgrades to their Mac networking products, DAVE and ADmitMac. Both products have received significant enhancements for compatibility with Mac OS X 10.5 (Leopard) release. As well as providing networking stability over that of Apple’s standard Leopard offering, more advanced features are included ranging from security, performance, Dfs, file compatibility, and a more complete Active Directory offering. The updates, version 4.0 for ADmitMac and version 7.0 for DAVE, are available free of charge for customers with active support agreements or who have purchased either product after July 31, 2007.