CheerpJ News
All the latest news about CheerpJ and our company, including the latest from our partners.
LEEDS, UK, Monday 2 November 2026 – Leaning Technologies today released CheerpJ 5, bringing for the first time Java 21 and Java 25 to the browser. CheerpJ is a full distribution of the OpenJDK Java Development Kit (JDK) built on WebAssembly. It runs Java applications, libraries and applets in the…
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Leaning Technologies Ltd builds WebAssembly runtimes that allow desktop and server-based software to run inside the browser, on the user's own machine rather than on a server. Its projects include BrowserPod, CheerpJ and WebVM, which together have over one million users and more than 18,000 GitHub stars. Over 100 organisations use its technology, among them NASA, Ticketmaster and Siemens. Founded in 2015, it has grown organically and rapidly since. Leaning Technologies operates from Leeds, UK and Amsterdam, Netherlands. It is led by its founders Stefano De Rossi (CEO) and Alessandro Pignotti (CTO). More at leaningtech.com.