CleanMem - CleanMem keeps memory use in check on the system without the memory being pushed to the page file.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
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.
Memory improve master - Memory Improve Master Free Version is a powerful Free memory optimizer which will keep your computer running better, faster, and longer.
RAMRush - RAMRush is a free memory management and optimization tool.