Android

Aliens Group development a html , Css , Custom web applications and CMS (content management systems) like WordPress, Joomla and Drupal.
A Web application is an application that is stored on a server and can be explored over the Internet through a browser interface.

Web applications can be designed for a wide variety of uses and can be used by anyone; from an organization to an individual for numerous reasons. Commonly used Web applications can include webmail, online calculators, or e-commerce shops. Some Web apps can be only accessed by a specific browser; however, most are available no matter the browser.

For a web app to operate, it needs a domain name, a Web server (Hosting), application server, and a database.