freemp

A simple, lightweight WordPress plugin to comprehensively hide the version number of your WordPress installation.
The plugin does not require any configuration. Once activated, it will start doing its job.

Hide Generator Version

Removes the generator meta-tag and comprehensively hides the version number of your WordPress installation.

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.

Hide Generator Version vs GitSync