[](https://discord.leaningtech.com) [](https://github.com/leaningtech/cheerpj-meta/issues) CheerpJ is a **drop-in HTML5 replacement** for the JVM, and is compatible with 100% of Java 8, including Swing, reflection and dynamic class loading. [Documentation](https://labs.leaningtech.com/cheerpj) [Issues](https://github.com/leaningtech/cheerpj-meta/issues) [Discord server](https://discord.leaningtech.com)  With CheerpJ, you can: - Run existing **Java applications** in the browser with no changes - Include **Java applets** in webpages without legacy plugins - Migrate **Java Web Start / JNLP** applications to work on modern systems - Use Java libraries in JavaScript/TypeScript seamlessly ## Licensing CheerpJ is free for non-commerical use and technical evaluation. See [licensing](https://leaningtech.com/cheerpj-licensing/) for details.