Expressjs.com is a framework in Node.js language. Thanks to the resources available that include an introductory guide, a general guide, and a community guide, Expressjs.com aims to facilitate development for desktop and mobile applications. The introductory guide offers installation, express generator, and FAQ. The general guide presents error handling, debugging express, express behind proxies, and middleware. The community guide is under the resources tab. It shows examples, issues, and a Google Group with over 5,000 discussions.