Open Source Photo editor Software

GNU Image Manipulation Program

Popular image editor

Photo editing, management

Krita is a professional FREE and open source painting program

Online photo editor

macOS app which assembles and disassembles animated png files

Insane(ly slow but wicked good) PNG image optimization

A macOS status bar App for quick sketch

🖼️ PNG/JPEG optimization app for macOS, Windows and Linux.

Mac GUI for pngquant, pngnq and posterizer

Cross-platform desktop GUI app to clean image metadata

easy to use mac osx image editing application for the rest of us

🚀 a powerful, open-source screenshot utility for macOS

A MacOS menubar app for automating screenshots

Photo finder application for macOS