The Unarchiver - Get the top application for archives on Mac. It's a RAR extractor, it allows you to unzip files, and works with dozens of other formats.
Just Color Picker - Free portable colour picker and colour editor for web designers, photographers, graphic designers and digital artists. Supports Windows and macOS.
Engrampa - A file archiver for MATE, based on File Roller from GNOME 2 http://www.mate-desktop.org/
Instant Eyedropper - Identifying the color code of an object on the screen is usually an involved, multistep process:...
Explzh for Windows - Powerful explorer-like archive software for Windows.
Sip - A better way to collect, organize & share your colors.