Starting with OSGi? Try Pax Runner!

If you think is hard to get started with OSGi, think again. Filippo Diotalevi explains why.

...
Pax Runner claims to be "a tool to provision OSGi bundles in all major open source OSGi framework implementations (Felix, Equinox, Knopflerfish, Concierge)", but is actually much more. With Pax Runner you can start any OSGi container, in different versions and configurations, and with different sets of preloaded bundles. It's particularly useful to try your bundles with all the OSGi implementations.
...