no. (short answer)
applications need to be tweaked to conform to the Carbon API where about a third of the APIs in Classic have been removed. so a recompile is the least needed - and for that you need access to source code. If it were that easy, people would have done it. (long answer)
Mac user since 1987. Running Mac OS X 10.8 Mountain Lion on a MacBook Air 11" & an iMac 27" and whatever's newest for my iPhone 4s, iPad 3 and AppleTV 2.
Apple Certified System Administrator 10.6, Apple Sales Professional 2008-2011, Apple Certified Mac Technician.