What are some alternatives?
When comparing GitKraken and SourceTree, you can also consider the following products
SmartGit - SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS...
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
TortoiseGit - TortoiseGit is an easy to use client for the Git distributed revision control system.
git-cola - git-cola is a powerful GUI for git, a distributed revision control system.
tig - TIG Software Updates & Expansions. Download the most up-to-date, innovative software solutions for your TIG welder instantly to a memory card for enhanced performance.
Atlassian Bitbucket Server - Atlassian Bitbucket Server is a scalable collaborative Git solution.