1)   Free Memory Optimizer 2008.806
MemAgent Memory Optimizer is a well-recognized computer memory management software that increases your computer speed, prevents system crashes and stops memory leaks. Significant performance boost for less money it takes to upgrade your RAM.

 2)   RAM Booster Pro 5.0.1
RAM Booster Pro v5.0.1 cleans the RAM and stops the Memory Leak

 3)   MemAgent Memory Optimizer 2006
MemAgent Memory Optimizer is a well-recognized computer memory management software that increases your computer speed, prevents system crashes and stops memory leaks. Significant performance boost for less money it takes to upgrade your RAM.

 4)   CachemanXP 1.70
CachemanXP is a Windows tuneup utility designed to improve the speed and stability of your computer. Oneclick-Optimization makes it suitable for novice and intermediate users yet it is also powerful and versatile enough for computer experts.