Jrebel is a plugin designed for Java developers, allowing for immediate code modifications while observing the results in real-time. This approach eliminates the need for application restarts, streamlining the development workflow. By leveraging Rebellion Technology, Jrebel offers a straightforward mechanism where users can implement changes, save, and refresh the application to see the effects instantly. It is compatible with both Java SE and Java EE, supporting a total of 41 different Java frameworks.

The software caters to the varying requirements of its users. Those interested in utilizing Jrebel can request a callback, and the support team will provide an activation key for access. Additionally, Jrebel operates seamlessly across 32-bit and 64-bit systems on platforms including Windows, macOS, and Linux. The most recent iteration was released on March 24, 2020, enhancing its capabilities for modern development environments.