What are some alternatives?
When comparing Siberian CMS and GitStats, you can also consider the following products
Fuse - Fuse is a UX tool suite for mobile app designers and developers.
pre-commit - A slightly improved pre-commit hook for git
Dropsource - Mobile development platform for building native iOS & Android apps
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
GoodBarber - GoodBarber is a mobile app creation platform.
GVfs - Git Virtual File System (by Microsoft)