Memory Magic - Memory Magic monitors your Mac's memory usage and transparently performs optimizations aimed at freeing/relocating memory.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
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.
CleanMem - CleanMem keeps memory use in check on the system without the memory being pushed to the page file.
Restart Me - ReStartMe is designed to do one thing, and that is to restart processes.