Most interesting in System Optimization

Free
Provides MacOS users a way to run X Window applications.
A program for monitoring your Wi-Fi network strength.
It is designed for mutiple audio tasks:record live performances.
Free
Magican helps you improve the performance of your Mac.
It delivers hardware diagnostics, drive repair and daily maintenance.

Top rated in System Optimization

Memory Doctor Pro
Free

Memory Doctor Pro is a memory cleaner for Mac computers.

Large File Cleaner
Free

Large File Cleaner helps you free up precious disk space quickly.

HotSwitch
Free

Fast window switcher for Mac with elegant design.

AppBolish
Free

Thorough app uninstallation solution.

MacShiny
Free

MacShiny is a professional tool for regular Mac cleanup.

MemoryTamer
Free

Automatic memory-freeing app that runs in your menu bar.

SimBooster Pro
Free

All-in-one package that includes a variety of system tools to help you clean and protect your Mac.

StatusDuck
Free

Dock app that saves time & screen space.

Machanic
Free

Machanic helps you optimize the performance of your Mac.

RAMDisk Manager
Free

It allows you to easily create, manage, and monitor RAM Disks.

SystemDoctor
Free

SystemDoctor is a handy utility to optimize your Mac disk and memory.

Disk BoostUp
Free

FREE disk maintenance utility designed specifically for Mac.

WinZip® Mac Optimizer
Free

WinZip Mac Optimizer allows you to clean and speed up your Mac.

MemoryOptimizer
Free

MemoryOptimizer (was Free The Mem) will automatically free inactive RAM upon launch.

Stellar Drive Monitor
Free

This application checks different parameters of your hard disk.

MacPurge
Free

MacPurge allows you to clean your disk and memory caches.

DesktopActivity
Free

Monitor and optimize the work of your system.

Window Magician
Free

Window Magician helps streamline your user experience and optimize your workflow by automatically resizing and repositioning windows.

App Zap
Free

It helps you get rid of unwanted apps and all their related files.

COMSOL Update
Free

This update corrects several bugs and stability issues in COMSOL 4.2a.