Current (?) known maintainer: William Morgan
Information page: http://git-wt-commit.rubyforge.org/#git-wtf
Gitorious repository: https://gitorious.org/willgit/mainline
Homebrew formula: https://github.com/mxcl/homebrew/blob/master/Library/Formula/willgit.rb
(installation through homebrew is apparently supported)
git-wtf is not maintained here. The last known and maintained version of git-wtf can be found on gitorious. Pull requests and issues should be sent to the main repository.