You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
Wave - The Software as a Service Starter Kit, designed to help you build the SAAS of your dreams 🚀 💰
An open source tool that lets you create a SaaS website from docker images in 10 minutes.
SaaS boilerplate built in Laravel, Bootstrap 4 and VueJs.
Electrik is a full-featured, open-source, starter-kit to help you build you your SaaS application.