URL: https://lttofu.github.io/cosmic-site
COSMiC V4.x (C++/CUDA/.NET, GUI-based, Windows 64-bit) https://lttofu.github.io/cosmic/
COSMiC V3.x and previous (Node-JS/C++/CUDA, command-line, Windows and Linux) https://bitbucket.org/LieutenantTofu/cosmic-v3/downloads/