You can also look up for these other topics: Framework Coding Standards Boilerplate CMS Tool Security Hacktoberfest
Create WordPress themes with beautiful OOP code and the Twig Template Engine
The "_s" for Timber: a dead-simple theme that you can build anything from
Component based WordPress starter theme, powered by ACF Pro and Timber, optimized for a11y and fast page load results.
Advanced image handling for Timber.
Awesome WordPress starter theme for developers based on modern web technologies.