CPU Frequency Selector - Cinnamon CPU Frequency Selector Applet
Widgetsmith - Widgetsmith is a screen personalization application that comes with multiple customization options that makes your screen have a vibrant look.
Udev Discover - A helping tool for udev testers, coders, hackers and consumers.
Color Widgets - Color Widgets is the home screen customization software that comes with advanced support to have a vibrant design and display.
CPU-Z - CPU-Z is a freeware that gathers information on some of the main devices of your system : Processor name and number, codename, process, package, cache levels.
Icon Pack Studio - Icon Pack Studio is an all-in-one icon pack maker application that overcomes every concern for home screen icons, so you can get a better icon that can fit your screen.