There are 2 repositories under hellfire topic.
Diablo devolved - magic behind the 1996 computer game
Diablo 1 and Hellfire file formats specifications
Diablo 1 hellfire DevilutionX website/Item trade forum
Diablo monster killcounter stats in HTML (also for DevilutionX)
Diablo devolved - magic behind the 1996 computer game
Diablo build for macOS and other modern operating systems
Randomizes DevilutionX level palettes
Share your Diablo HF Heroes on your Homepage