# JRebel llms.txt > JRebel is a high-impact Java development tool that lets developers instantly view code changes without rebuilding, restarting, or redeploying. It saves time and maintains application state across IDEs and cloud environments. ## Products * https://www.jrebel.com/products/jrebel * https://www.jrebel.com/products/xrebel * https://www.jrebel.com/products/jrebel-enterprise ## Resources * https://www.jrebel.com/jrebel/learn/faq * https://www.jrebel.com/blog * https://www.jrebel.com/resources * https://www.jrebel.com/customers ## Contact * https://www.jrebel.com/contact-us ## Support * https://www.jrebel.com/support ## Documentation * https://www.jrebel.com/products/xrebel/learn * https://www.jrebel.com/products/jrebel/quickstart/intellij * https://www.jrebel.com/products/jrebel/quickstart/eclipse