ImageMagick / ImageMagick

ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.

hpjansson / chafa

📺🗿 Terminal graphics for the 21st century.

libvips / libvips

A fast image processing library with low memory needs.

AcademySoftwareFoundation / openexr

The OpenEXR project provides the specification and reference implementation of the EXR file format, the professional-grade image storage format of the motion picture industry.

OSGeo / grass

GRASS - free and open-source geospatial processing engine

libgd / libgd

GD Graphics Library

CCExtractor / ccextractor

CCExtractor - Official version maintained by the core team

ahmetomerv / photoc

Command-line tools for photographers.