If you are looking for jonradio WordPress Plugins, they have been Adopted. Adoption sees someone else take over Support and Enhancement of a Plugin. jonradio is no longer involved with the Plugins and they have been renamed, but still remain in the WordPress Plugin Directory.
For more information, see http://zatzlabs.com/plugins/
If you wish to contact jonradio for other reasons, please use the Contact Form here: http://pearkins.com/contact/