PHP
- https://code-basics.ru/languages/php
- https://daylerees.com/php-pandas
- https://phptherightway.com
- http://php.net/manual/ru
- https://getcomposer.org
Javascript
- https://code-basics.ru/languages/javascript
- https://learn.javascript.ru
Git
- https://git-scm.com/book/ru/v1
- https://learngitbranching.js.org
Mysql
- http://www.php-s.ru/MySQL
Laravel
- https://laravel.com/docs/master
REST API
- https://flaviocopes.com/rest-api/
- https://jsonapi.org/
- https://swagger.io/specification/