The Calculus Technology Stack

4D is a platform that simplifies and speeds up the development and deployment of web, mobile, desktop, and client-server applications.

ASP.net is an open source framework for building web applications and services with .NET and C#.

Backbone.js is a JavaScript framework with a RESTful JSON interface and is based on the model–view–presenter application design paradigm.

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.

Modernizr is a JavaScript library which is designed to detect HTML5 and CSS3 features in various browsers, which lets JavaScript avoid using unimplemented features or use a workaround such as a shim to emulate them. Modernizr aims to provide this feature detection in a complete and standardized manner.

Cloud based storage systems by AWS.

LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.

Blurb is a book-making platform that enables individuals to create, publish, and share books both in print and digital formats.

Cloudflare Content Delivery Network (CDN) is a geographically distributed group of servers that ensure fast delivery of Internet content, including HTML pages, JavaScript files, stylesheets, and images.

Hostgator is a web hosting provider that provides services for hosting websites and blogs online and Hostgator is used for purchasing domain names online.

YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones.

Google Analytics allows users to measure sales & conversions, plus gain fresh insights into how visitors use sites, & how they arrived on site.

Silk is an analytics tool to upload, visualize, publish and share your data.

Contact Form 7 is a tool to manage multiple contact forms.

Diigo is a multi-tool for personal knowledge management to dramatically improve your workflow and productivity

Scribd is a digital library where people can publish, discover, and read books and documents of all kinds on the web or any mobile device.

Eventbrite is an event management solution which helps businesses to plan, manage, & grow events through tools such as ticketing, attendee tracking, & marketing.

ntenseDebate's comment system enhances and encourages conversation on Their blog or website.

Shopify is a commerce platform that allows anyone to easily sell online, at a retail location, and everywhere.

Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.

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.

Line2 adds a second phone line to your favorite mobile devices.

Google Sites is a free and easy way to create and share web pages.

Webs is a website creation service enabling users to create sites with blogs, photo albums, video galleries and discussion forums.

Hostgator DNS is a Domain Name System (DNS) solution provider of Web Hosting, VPS Hosting, Reseller Hosting, Dedicated Servers, Windows Hosting, and WordPress Hosting

Kickstarter is a crowdfunding platform for creative projects such as movies, music, art, theater, games, comics, design, and photography.

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

Token2.com is a simple hosted two factor authentication provider designed to protect primarily web based applications.