Based on our record, RedHat OpenJDK seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Depends on your platform. For RedHat as an example they offer OpenJDK builds that are free with LTS. Source: almost 3 years ago
Android Studio - Android development environment based on IntelliJ IDEA
AdoptOpenJDK - The code for Java is open source and available at OpenJDK™.
Liberica JDK - Liberica is a 100% open-source Java 13.0.1 implementation.
OpenJDK - OpenJDK is the free version of the Java development platform.
Zulu - Zulu is a professional DJ mixing software to mix and broadcast live music, audio and mp3s.
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible