You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
PHP_CodeSniffer rules (sniffs) to enforce WordPress coding conventions
A custom update checker for WordPress plugins. Useful if you don't want to host your project in the official WP repository, but would still like it to support automatic updates. Despite the name, it a
WordPress plugin to configure wp-admin and application state using a single config file.
A scalable, traceable job queue for background processing large queues of tasks in WordPress. Specifically designed for distribution in WordPress plugins (and themes) - no server access required.
TypeRocket is a highly integrated MVC WordPress framework with beautiful UI components for the modern developer.
SuperPWA helps to convert your WordPress website into Progressive Web Apps instantly. PWA (Progressive Web Apps) demo at : https://superpwa.com and Plugin :
Facilitates WordPress plugin and theme development.