Apache is a free and open-source cross-platform web server software.

Plesk is a web hosting and server data centre automation software with a control panel developed for Linux and Windows-based retail hosting service providers.

Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.

jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.

DataTables is a plug-in for the jQuery Javascript library adding advanced features like pagination, instant search, themes, and more to any HTML table.

Chart.js is an open-source JavaScript library that allows you to draw different types of charts by using the HTML5 canvas element.

Lightbox is small javascript library used to overlay images on top of the current page.

Perfex CRM is self hosted customer relationship management software that is a great fit for almost any company, freelancer or many other uses.

PHP is a general-purpose scripting language used for web development.