Stanko Metodiev

Display simple GitHub profile badge. Works with widget or placing a shortcode. 
The plugin is based on Github Badge – http://githubbadge.appspot.com/

DX GitHub Badge

Display simple GitHub profile badge. Works with widget or placing a shortcode.

rubengarzajr

GitSync adds a new option to the admin dashboard that allows you to add a Theme from Github. 
When properly configured, you can then pick a release to be downloaded to your instance of WordPress.
Just enter the URI of the repo and your personal token and then click Add Theme. 
You’ll then see the repo list below in the Installed Themes area.
Just choose a release and click on “Sync to the release.”

GitSync

Download and sync themes from github.com or private github using release tags.

DX GitHub Badge vs GitSync