s2tc
Super Simple Texture Compression
Library that decompress s2tc compressed textures. Contrary s3tc this algorithm is not patented and even faster. It can be used to decompress s3tc textures with few artefacts, because the patented codepaths are not implemented.
There is no official package available for openSUSE Leap 15.6Distributions
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.