What are some alternatives?
When comparing GitStats and Fork, you can also consider the following products
pre-commit - A slightly improved pre-commit hook for git
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
GVfs - Git Virtual File System (by Microsoft)
SmartGit - SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS...
git-cola - git-cola is a powerful GUI for git, a distributed revision control system.
Working Copy - The powerful Git client for iOS