Caffe: a fast open framework for deep learning.

Homepage: http://caffe.berkeleyvision.org/

GitHub: https://github.com/BVLC/caffe

Installation: http://caffe.berkeleyvision.org/installation.html

Needs to be built without GPU support (CPU-only mode) because CUDA is non-free.

Some AURs:
https://aur.archlinux.org/packages/caffe/
https://aur.archlinux.org/packages/caffe-git/