What are some alternatives?
When comparing Gitql and GitKraken, you can also consider the following products
GitStats - A local GitHub-like contributions calendar
SmartGit - SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS...
GVfs - Git Virtual File System (by Microsoft)
SourceTree - Mac and Windows client for Mercurial and Git.
Working Copy - The powerful Git client for iOS
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.