Structured Query Language (SQL) is a programming language designed for managing data in relational database management systems (RDBMS). wikipedia.org

jQuery is a cross-browser JavaScript library designed to simplify the client-side scripting of HTML. Its syntax is designed to make it easier to navigate a document, select DOM elements, create animations, handle events, and develop Ajax applications. wikipedia.org

ADO.NET (ActiveX Data Objects for .NET) is a set of computer software components that programmers can use to access data and data services. wikipedia.org

Twilio is a cloud communications IaaS (Infrastructure as a Service) company based in San Francisco, California. Twilio allows software developers to programmatically make and receive phone calls and send and receive text messages using its web service APIs.

AngularJS is an open-source web application framework, maintained by Google and community, that assists with creating single-page applications, one-page web applications that only require HTML, CSS, and JavaScript on the client side. wikipedia.org

The ASP.NET MVC Framework is a web application framework that implements the model-view-controller (MVC) pattern. wikipedia.org

ADO.NET Entity Framework (ED) is an open source object-relational mapping (OR) framework for the NET Framework. wikipedia.org

Ajax is a group of interrelated web development methods used on the client-side to create asynchronous web applications. wikipedia.org

HTML5 is a language for structuring and presenting content for the World Wide Web, and is a core technology of the Internet originally proposed by Opera Software. It is the fifth revision of the HTML standard. wikipedia.org

DevExpress sells presentation controls, reporting systems, IDE productivity tools, and business application frameworks for Visual Studio, Delphi, and C++ Builder developers using WinForms, ASP.NET, WPF, Silverlight or VCL.

PayPal is a global e-commerce business allowing payments and money transfers to be mad 475721703916208134,e through the Internet. wikipedia.org

The Google Maps API allows developers to embed dynamic, draggable maps in their web applications. It's free for sites that are freely available to the public, and there's an enterprise version for private sites.