JProfiler Get rid of your performance problems and memory leaks! Modern Garbage Collection Tuning Java Performance Tuning, 2nd ed The classic and most comprehensive book on tuning Java Java Performance Tuning Newsletter Your source of Java performance news. Subscribe now! Enter email: JProfiler Get rid of your performance problems and memory leaks!

These tools support multi-tenancy, the ability to run more than one Java application in the same JVM while maintaining independence between the applications.

(Year in brackets is when the tool/page was last updated)

• (2013) IBM Java 8 beta JVM supports multi-tenancy
• (2013) Waratek - JVM able to run multiple applications independently in the same JVM (including metered availability of the underlying resources) - targeted as a cloud VM
• (2013) Echidna is a "multiprocess system" for running multiple Java applications in the same virtual machine
• (2012) Nailgun - for running multiple Java programs in the same JVM
• (2009) JNode Java based operating system implemented in the Java language
• (2006) Java Desktop Engine - shared virtual machine allows different java programs inside the same VM
• (2001) Multiprocess JVMs - article describing the mechanism in detail
• (2001) Run multiple applications in the same JVM (basic launcher)