Please refer to the Torch portal for more info on Torch.
If you want to contribute and share some code, just create a rock for it, and make a pull request to this repo. When commiting your rocks, you should also run the script make-manifest.lua, provided in this repo, to update the manifest and the html summary. The summary is viewable at all times here.
Make sure your luajit-rocks is up to date
as you will require luarocks
version > 2.2 to make the manifest.