What are some alternatives?
Hazel - Lighweight update server for Electron apps
TinyPNG - Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
XtraFinder - Tabs & Dual Panel. • Arrange folders on top. • Cut & Paste. Copy queue. • Global hotkeys.
PNGGauntlet - -Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs
CodeKit - CodeKit allows you to optimize the performance of your website by automatically and efficiently compiling a variety of popular languages.
pngquant - command-line utility and library for lossy compression of PNG images