Apache is a free and open-source cross-platform web server software.
Apple Sign-in is based on OAuth 2.0 and OpenID Connect, and provides a privacy-friendly way for users to sign in to websites and apps.
CakePHP is an open-source web framework. It follows the model–view–controller (MVC) approach and is written in PHP.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.