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This is a repackaged open-source software product, and there are additional charges associated with technical support and maintenance.

Node.js represents an open-source, cross-platform JavaScript runtime environment, employed for creating I/O-intensive web applications, including video streaming sites, single-page applications, and various other web-based applications. Node.js applications are typically written in JavaScript and can be executed within the Node.js runtime across operating systems like OS X, Microsoft Windows, and Linux. Node.js offers a library of diverse JavaScript modules, streamlining the development of web applications.

Angular is a JavaScript framework developed using TypeScript, a compiled, typed, and advanced language derived from JavaScript. It is utilized for building user interfaces and frontend applications for both web and mobile platforms. Angular serves as an application-design framework and development platform, facilitating the efficient creation of sophisticated single-page applications.

Moving on to MongoDB, it is a source-available, cross-platform document-oriented database program, classified as a NoSQL database. MongoDB utilizes JSON-like documents with optional schemas. It is developed by MongoDB Inc. and is licensed under the Server-Side Public License (SSPL), which is considered non-free by several distributions.