Jmeter-sampler-stub is a project mainly written in Java, it's free.
A simple custom JMeter sampler stub to be filled.
A simple JMeter stub project for measuring purposes. Just add your measurement code to the StubSampler class.
Based on the jmeter-ssh-sampler you can find at: http://code.google.com/p/jmeter-ssh-sampler/
Licensed under the Apache License 2.0