Code/SVN
Here is the address to the svn repository
https://jparticle2d.svn.sourceforge.net/svnroot/jparticle2d
A Java Graphics2D particle engine. Started in 2010 by Stephen Hopkins.
Here is the address to the svn repository
https://jparticle2d.svn.sourceforge.net/svnroot/jparticle2d