OpenWebStart is a utility tool designed for Windows that allows users to run Java Web Start applications even after the discontinuation of Java Web Start with Java 11. As a free utility, it provides an essential solution for those relying on JNLP files, ensuring compatibility with existing Java applications. The software supports various Java Development Kit (JDK) versions and integrates seamlessly with Java Runtime Environment (JRE) setups, making it a versatile choice for developers and users alike.

The application simplifies the process of launching and managing web-based Java applications by offering an easy-to-use interface. Users can easily configure their Java settings and manage security policies, enhancing the overall experience. OpenWebStart also supports the latest security standards, ensuring that applications run safely and efficiently. With its focus on maintaining the functionality of Java Web Start, OpenWebStart is a valuable tool for both legacy and modern Java applications.