The purpose of this project is to develop the JMS (Java Message Service) Specification. Currently the project is focussed on JSR 343: Java Message Service 2.0, and hosts the mailing lists and issues database for that JSR.
VisualVM - All-in-One Java Troubleshooting Tool. VisualVM is a visual tool integrating several commandline JDK tools and lightweight profiling capabilities. Designed for both production and development time use, it further enhances the capability of monitoring and performance analysis for the Java SE platform.