cg-tools

Description: Cooperative gamma-enabled tools
Status: Feature complete (non-important improvement marked as possible)
Source: https://git.maandree.se/cg-tools
Latest release: 1.4.1
License: ISC License (Internet Systems Consortium license)
Written in: C (ISO C99)

cg-tools is a collection of utilities that change the colour output on monitors without overriding each other.