The upstream community project OpenJDK is currently sponsored and led by Oracle and is released under the GNU General Public License (GNU GPL 2 and 2+) with a linking exception. OpenJDK is the Java Development Kit (JDK) and Java Runtime Environment (JRE) in Red Hat Enterprise Linux. Packages for OpenJDK are made available in Red Hat Enterprise Linux in the same manner as the rest of the content set. OpenJDK is also shipped as the JDK and JRE in many containers in the Red Hat Container Catalog OpenJDK packages for Microsoft Windows are also distributed via the JBoss downloads section of the support portal. Oracle leads development of the Java Platform SE and contributes heavily to the OpenJDK project.

for early versions of Fiji, and other miscellany.Red Hat is one of the top non-Oracle contributors to the project.

Just prior to extensive changes reconciling Fiji with ImageJ2. Just prior to some big changes to ImageJ2 under the hood. Just prior to a big update to facilitate reproducible builds. Just prior to starting the transition to Java 8. The final version of Fiji using Java 6, for all platforms. Here are Life-Line versions from before Fiji switched to Java 8. Just prior to a sweeping update to nearly all components.

Here are Life-Line versions of Fiji created after the switch to Java 8. The idea is that if something goes horribly wrong, you can fall back to a stable version. This sections offers older downloads of Fiji, preserved just prior to introducing major changes. You can download previous Fiji builds by date stamp from the archive. See the source code page for details on obtaining the Fiji source code.

If you encounter bugs, please see the Getting Help page.

Many common questions are answered on the FAQ.

That means that you do not have to run an installer just download, unpack and Support for installing Fiji via Flatpak is in the works see

Java 1.6 jdk download