No-cost, multiplatform, production-ready distribution of OpenJDK. Amazon Corretto is a no-cost, multiplatform, production-ready distribution of the Open Java Development Kit (OpenJDK). Corretto comes with long-term support that will include performance enhancements and security fixes. Amazon runs Corretto internally on thousands of production services and Corretto is certified as compatible with the Java SE standard. With Corretto, you can develop and run Java applications on popular operating systems, including Linux, Windows, and macOS. Amazon Corretto comes with no-cost long-term support from Amazon, so you can upgrade versions only when you need to. Amazon is committed to Corretto, running it internally on thousands of production services. Amazon Corretto is certified to meet the Java SE standard and can be used as a drop-in replacement for many Java SE distributions. Amazon provides quarterly updates that include performance enhancements and security fixes.