IconJar uses the following third party open-source projects/code :
IJSVG is an open-source SVG rendering and exporting framework written in Object-C/C.
WebP is Googles image encoding and decoding framework for compression images.
ITSwitch is an Object-C project that creates iOS style switches/checkboxes for macOS projects.
Sparkle is an easy-to-use software update framework for macOS.
DevMateKit is a development and distribution library for macOS.