Most interesting in System Optimization

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

Top rated in System Optimization

status-menu-disk
Free

Displays info about the connected drives and the free space on them.

Dynamic Dark Mode
Free

Enable dark mode from the menu bar on macOS Mojave.

dockey
Free

Customize the appearance of your Dock bar on desktop.

Wise Mac Care
Free

Optimize the performance of your Mac device.

noTunes
Free

Enable and respectively, disable iTunes' functionality.

Tab Switcher
Free

Switch quickly between tabs and windows on Safari and Chrome.

apfsconvert
Free

Create recovery media to boot up your Mac and then convert the system volume.

AppCloner
Free

Create and install multiple copies of your existing apps.

BrewServicesMenubar
Free

Reads the homebrew-services command, showing you the status of your services.

Mini Keyboard
Free

Replace your Mac keyboard with your iOS device keyboard.

System Utility Pro
Free

Keep your system under control and optimize the status of your Mac.

HighSierraMediaKeyEnabler
Free

Control the behaviour of the media controller keys.

Similar Photos Cleaner
Free

Identify and remove exact duplicate images and similar photos.

KeychainCheck2
Free

Check and manage your keychains with ease on your Mac.

ScreenPosition
Free

Move the position of the external screen from the icon on the status bar.

Window Collage
Free

Place several windows to fit your work habits when you multitask.

LSUnusedResources
Free

Find unused images and resources in an XCode project.

Auslogics Mac Cleaner
Free

Run a quick scan and check how much disk space you can clean and recover.

Pulvinus
Free

Analyzes disk space using a technique called squarified cushion tree maps.

Mac Clean Pro
Free

Clean junk files, optimize applications and safeguard privacy of your Mac.