http://code.google.com/p/stab-language/ (C# syntax compiled directly to the JVM)
http://boo.codehaus.org/ (Python syntax, normally for .NET, but there is a pure JVM fork in there somewhere)
The barrier to adoption these days is a robust Eclipse IDE--if either of these projects had one, I think they'd see a lot of adoption.
http://code.google.com/p/stab-language/ (C# syntax compiled directly to the JVM)
http://boo.codehaus.org/ (Python syntax, normally for .NET, but there is a pure JVM fork in there somewhere)
The barrier to adoption these days is a robust Eclipse IDE--if either of these projects had one, I think they'd see a lot of adoption.