Plugins you need to get your projects done
childthemes
3 extensions
Child Theme Creator by Orbisius
Create Child Themes quickly and easily from any theme that you have currently installed on your site/blog.
Childify Me
Create a child-theme from the Theme Customizer.
Orbisius Theme Fixer
This plugin helps you recover your site if it was crashed by a theme. It works by reseting your theme (tmp) to one of the default WordPress ones