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OpenJDK is the free version of the Java development platform.

  • Linux
  • BSD

OpenJDK is the free version of the Java development platform.

The OpenJDK project consists of a number of components. Principally these are HotSpot (the virtual machine), the Java Class Library and the javac Java compiler.

The web browser plugin and Web Start which are part of Oracle Java are not included in OpenJDK. Sun previously indicated that they would try to open source these components but neither Sun nor Oracle have done so. The only currently available free plugin and Web Start implementation are those provided by IcedTea. More Info »

Supported JDK versions
OpenJDK was initially based only on the JDK 7 version of the Java platform.

There are several separate OpenJDK projects:

- The OpenJDK 8 project (, which will be the basis for JDK 8.
- The OpenJDK 7u project (, which is based on JDK 7 and produces updates to the existing Java 7 releases.
- The OpenJDK 6 project (, which is based on JDK 7, retrofitted to provide an open-source version of Java 6. More Info »



Apps for OpenJDK

OpenJDK is also a platform with 2 apps listed on AlternativeTo. Browse all 2 apps for OpenJDK

Link to official OpenJDK site

Official Website
OpenJDK was added by adgellida in Dec 2011 and the lastest update was made in Nov 2015. There is a history of activites on OpenJDK in our Change Log and Activity Log. It's possible to update the information on OpenJDK or report it as discontinued, duplicated or spam. If you want a nice widget to put on your website check these out.
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