Eclipse Temurin is an open-source distribution of the Java Development Kit (JDK). Key points: Formerly known as AdoptOpenJDK Provides free, production-ready OpenJDK binaries Supported by the Eclipse Foundation Available for multiple platforms (Windows, macOS, Linux) Offers both JRE and JDK builds Includes Long-Term Support (LTS) versions Regular security updates and bug fixes Enterprise-grade quality assurance Fully compatible with Oracle's Java SE specifications Suitable for both development and production environments Temurin aims to provide a reliable, high-quality alternative to Oracle's commercial JDK. It's widely used in enterprise environments and for Java application development.