The concierge hub Technology Stack

Bootstrap is a free and open-source front-end framework for designing websites and web applications. It contains HTML and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions.

Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.

JavaScript is the programming language of HTML and the Web.

jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML. It is free, open-source software using the permissive MIT License. Web analysis indicates that it is the most widely deployed JavaScript library by a large margin.

Nginx is a web server which can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

PHP: Hypertext Preprocessor is a server-side scripting language designed for Web development, but also used as a general-purpose programming language. PHP code may be embedded into HTML code, or it can be used in combination with various web template systems, web content management systems, and web frameworks.

Polyfill as-a-service detects and returns a JavaScript bundle of polyfills based on the current browser using the User-Agent.

Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and pagination of results.