What are some alternatives?
When comparing pre-commit and SmartGit, you can also consider the following products
GitStats - A local GitHub-like contributions calendar
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
Git-Repo - Manage Gitlab, GitHub and Bitbucket from the command line
SourceTree - Mac and Windows client for Mercurial and Git.
TortoiseGit - TortoiseGit is an easy to use client for the Git distributed revision control system.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.