CheerpJ can be used to run Java Applets, Java Web Start applications, stand-alone Java applications (including Swing), and Java libraries, on any modern browser supporting WebAssembly. (https://caniuse.com/wasm)
CheerpJ is the only full Java replacement for the browser, compatible with 100% of Java SE and of the Java Runtime Environment. By using CheerpJ, you will not need to modify your application at all – it will just work on any browser, without a local Java installation.
CheerpJ allows you to keep running any legacy Java application that is either impossible or impractical to rewrite or replace, extending the life of your application with minimal investment.
Yes. CheerpJ is used by many organizations worldwide to run Oracle Java-based products, such as Oracle Forms and Oracle EBS, on modern browsers. This includes several Fortune 500 companies as well as local and federal government agencies.
You can absolutely use CheerpJ to run any business logic or library in Java, and re-implement the UI of your application using a web-native technology (e.g. Reach, Angular).
Leaning Technologies coupled their clear ability to extend their toolset to support the ultimate software challenge with an unwavering determination to achieve the level of perfection required. After an intense but relatively short period, Blackbird was able to ship our [HTML] product to clients globally.
Stephen Streater
R&D Director, Blackbird PLC
