Melding Java and JavaScript, PurpleJS is emerging as a framework for running lightweight JavaScript server applications without the complexity of the Node.js asynchronous programming model.

Atop the JVM (Java Virtual Machine), open source PurpleJS can be used when developers want to build multithreaded applications in JavaScript. It allows developers to run the same code in the browser and on the server, and it enables them to employ JavaScript while working with existing Java projects.

“PurpleJS is a simple and capable framework for creating performant web applications without leaving JavaScript,” main developer Sten Roger Sandvik said. “It’s created in Java to give the flexibility and performance Java provides.”

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