Awesome

Official

https://www.php-fig.org/

Tools

https://www.apachefriends.org/

CMS

https://www.pbootcms.com

https://statamic.dev

https://craftcms.com

Frameworks

https://www.slimframework.com/

https://cakephp.org/

Libraries

https://github.com/cuyz/valinor

https://easywechat.com/

https://github.com/lonquan/easy-lark

https://github.com/alibabacloud-sdk-php/dingtalk

Articles

https://sandulat.com/moving-from-laravel-api-resources-to-dtos/