Knockout is a JavaScript library that allows developers to create rich, responsive display and editor user interfaces with a clean underlying data model.

The .NET Framework (pronounced dot net) is a software framework developed by Microsoft that runs primarily on Microsoft Windows. wikipedia.org

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

Stripe is a set of unified APIs and tools that enables businesses to accept and manage online payments.

Sitefinity CMS is an ASP.NET-based web content management system that is used for the construction and management of commercial websites, community portals, intranets, etc.

A content management system (CMS) is a computer program that allows publishing, editing and modifying content as well as maintenance from a central interface. wikipedia.org

ASP.NET is a Web application framework developed and marketed by Microsoft to allow programmers to build dynamic Web sites, Web applications and Web services. wikipedia.org

"Elasticsearch is a search server based on Lucene. It provides a distributed, multitenant-capable full-text search engine with a RESTful web interface and schema-free JSON documents. Elasticsearch is developed in Java and is released as open source under the terms of the Apache License." wikipedia.org

Umbraco is an open source content management system (CMS) platform for publishing content on the World Wide Web and intranets. It is written in C# and deployed on Microsoft based infrastructure. wikipedia.org

Solr is an open source enterprise search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search, dynamic clustering, database integration, and rich document (e.g., Word, PDF) handling. wikipedia.org

Microsoft Dynamics CRM is a customer relationship management software package developed by Microsoft. wikipedia.org

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