* [http://www.timesys.com/java/ Timesys RTSJ implementation and testing toolkit]
* [http://jrate.sourceforge.net/ jRate (Java Real-Time Extension)] an open-source extension of the GNU GCJ compiler front-end and runtime system which adds support for most of the features required by the RTSJ.
* [http://www-users.cs.yorkpurdue.ac.ukedu/~andyhomes/JTRES06jv/JTRES05/index.html International Workshop on Java Technologies for Real-timeRealtime and Embedded Systems (JTRES 20062005)] [http://www-users.cs.york.ac.uk/~andy/JTRES06/ JTRES 2006] [http://www.vmars.tuwien.ac.at/jtres2007/ JTRES 2007] [http://jtres.java.sun.com/2008/ JTRES 2008] [http://pan.vmars.tuwien.ac.at/jtres2009/ JTRES 2009] [http://d3s.mff.cuni.cz/conferences/jtres2010/ JTRES 2010] [http://www.artist-embedded.org/artist/JTRES-2011.html JTRES 2011] [http://jtres2013.atego.com/ JTRES 2012] [http://jtres2013.atego.com/ JTRES 2013] [http://jtres2014.compute.dtu.dk/ JTRES 2014] [http://jtres2015.univ-mlv.fr/ JTRES 2015]
* [http://www.robot.lth.se/java/ LJRT Lund Java based Real-Time] [https://launchpad.net/ljrt LJRT open source]