Help with the development of OpenFlipper is always welcome!
You can send patches directly to Jan Möbius or to the mailinglist. Please try to create the patches against OpenFlippers most recent version. To get the latest version of OpenFlipper use the svn repository.
Alternatively you can use our bug tracking to view the current state of the project and to submit patches.
If you want to create your own plugins and share them with the public, we can create accounts for you on our svn server.