There are various people who are involved in Bibledit. You can communicate with them through the general Bibledit mailinglist. To subscribe to this list, send email to bibledit-general-request@lists.sourceforge.net with the word "subscribe" in the subject line or the body of the email. To unsubscribe send "unsubscribe". Alternatively you can manage your subscription at https://lists.sourceforge.net/lists/listinfo/bibledit-general. Archives can be viewed there too. You can also communicate with them through Internet Relay Chat channel #bibledit on Freenode.
Bugs and feature requests can be submitted at http://sourceforge.net/projects/bibledit.
Whosoever is bold enough to contact the programmer directly, his name will be subscribed to the general Bibledit list and his message will be forwarded to that list, to be answered from there. This is so that everybody can profit and contribute, and the programmer be relieved.