CleanMem - CleanMem keeps memory use in check on the system without the memory being pushed to the page file.
Memory Magic - Memory Magic monitors your Mac's memory usage and transparently performs optimizations aimed at freeing/relocating memory.
RAMRush - RAMRush is a free memory management and optimization tool.
Memory Optimizer - Here at Softorino – we craft software that simplifies your life.
Mem Reduct - Mem Reduct is a small application that allows you to monitor and clean your computers memory.
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.