Excelsior JET

Accelerate, protect, and deploy your Java™ applications

Excelsior JET helps you:

make your Java applications start and work faster
protect your code against Java decompilers
deploy your Java products without dependency on the JRE

It includes a Java SE 6 JVM with an ahead-of-time (AOT) compiler and installation toolkit.

Excelsior JET has passed the Java Compatibility Kit (JCK) test suite, licensed from Oracle, and is certified Java Compatible on a number of platforms.

Curious? Learn how it works

In a hurry? Watch a demo or read the data sheet

Want to give it a try? Download a free trial

Featured solutions

Eclipse RCP

Apache Tomcat

Startup time

Download size

Application Gallery

We have compiled and packaged a handful of free Java applications that you may download:

JavaFX 2.2 Ensemble Sample NEW

A gallery of examples, which demonstrates a large variety of JavaFX features, such as animation, charts, and controls.

Download (Windows, 19MB)

Eclipse 4.2 Classic (Juno)

The most popular Java IDE.

Download (Windows, 260MB)

Intellij IDEA 10.5.2 Community Edition

The most intelligent Java IDE.

Download (Windows, 112MB | Linux, 114MB) | Release Notes

Pebble 2.6.2

Blogging tool (Web application), compiled together with Apache Tomcat 7.0.16

Download (Windows | Linux, 23MB)

RSSOwl 2.1.2

Popular RSS/RDF/Atom Newsreader (Eclipse RCP application).

Download (Windows, 15MB)

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News And Announcements

18-Apr-2013
Excelsior JET 8.0 Released in Three Flavors

13-Mar-2013
Excelsior JET 7.6 Maintenance Pack 6 adds support for Java SE 6u41

19-Sep-2012
Much to our own surprise, Excelsior JET seems to already support JavaFX 2