Usable Interface 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.

Gravatar is a service for providing globally unique avatars and was created by Tom Preston-Werner. It is owned by Automattic, having integrated it into their WordPress.com blogging platform.

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.

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.

Calendly is an appointment and meeting scheduling software for business professionals and their clients.

Facebook is a social networking site that makes it easy for people to connect and share with family and friends online.

Facebook pixel is a snippet of JavaScript code that allows customers to track visitor activity on their website.

Twitter is a microblogging and social networking service on which users post and interact with messages known as "tweets".

Facebook Pixel helps organizations measure customer actions, build audiences and unlock optimisation tools. Facebook pixel is a snippet of JavaScript code that allows you to track visitor activity on your website.

G Suite is a suite of apps from Google which offers a number of tools to communicate and collaborate with colleagues, store files, and manage data.

Tidio Chat is a cloud-based live chat system which integrates messages from live chat widgets, emails, and Facebook messenger into a unified agent interface.

HostPapa offers web hosting & domain name registration services.

Yoast offers plugins to improve SEO and optimize web sites and blogs.

Microsoft Exchange Archiving is a cloud-based, enterprise-class archiving solution that helps clients to solve archiving, compliance, regulatory, and eDiscovery challenges.

Microsoft Invoicing is an online & mobile invoicing solution which allows users to create & send PDF format invoices to customers and accept payments via Pay.

reCAPTCHA is a CAPTCHA-like system designed by Google to establish that a computer user is human.