You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
A symfony bundle that provides tools to build a rich application sitemap. The main goals are : simple, no databases, various namespace (eg. google image), respect constraints etc.
prestaconceptSEO utilities including a unique field type, sitemap & redirect manager
ethercreativePHP script to recursively crawl websites and generate a sitemap. Zero dependencies.
vezaynk