You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
FreeScout — Free self-hosted help desk & shared mailbox (Zendesk / Help Scout alternative)
freescout-helpdeskA non-intrusive support form that can be displayed on any page
spatieAn open source Project management tool based on Laravel and Filament
devaslanphp