CleanMem - CleanMem keeps memory use in check on the system without the memory being pushed to the page file.
Wise Memory Optimizer - Wise Memory Optimizer a simple and effective RAM booster to help you free up memory and get your computer running smoothly again.
Mem Reduct - Mem Reduct is a small application that allows you to monitor and clean your computers memory.
RAMRush - RAMRush is a free memory management and optimization tool.
Mz Ram Booster - Mz Ram Booster, is a memory optimization tool. It works on Windows 2000,XP,2003 & Vista.
Memory Cleaner - Memory optimization and monitoring solution for Mac.