Get Gentoo!
gentoo.org sites
gentoo.org Wiki Bugs Forums Packages
Planet Archives Sources
Infra Status

dev-util/
nvidia-cuda-toolkit

NVIDIA CUDA Toolkit (compiler and friends)

https://developer.nvidia.com/cuda-zone

Pull Requests

If you also like to help the Gentoo project, you can consider sending a Pull Request via GitHub.
Before doing so, you might want to take a look at the wiki page.