You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
Directus Database API — Wraps Custom SQL Databases with a REST/GraphQL API
directusA PHP wrapper for the official Pinterest API. :pushpin:
dirkgroenenA simple API wrapper for Shopify using Guzzle for REST and GraphQL
gnikyt:rainbow: Work with APIs like with Laravel Eloquent or Doctrine (no longer a dream)
CristalTeam