Alternatives - JVM-PVM Integration

Python

• JPype
  JPype is an effort to allow python programs full access to java class libraries. This is achieved not through re-implementing Python, as Jython/JPython has done, but rather through interfacing at the native level in both Virtual Machines.
  Actively developed
• JPE
  JPE is a seamless, complete, and efficient integration of Java and standard Python (C Python).
  Last cvs change in 2002

Independent compilation of Java

• GCJ
  GCJ is a portable, optimizing, ahead-of-time compiler for the Java Programming Language. It can compile:
  Java source code directly to native machine code
  Java source code to Java bytecode (class files)
  Java bytecode to native machine code.
• Java -> compiled library; compiled library -> SWIG; SWIG + Python
• Actively developed