Direct Admin Reseller Connection let's your users manage their Direct Admin account with their WordPress website profile and login.
Manage your eNom reseller account from within WordPress, includes widgets. Requires an eNom reseller account.
Plugin for use by Pagely Resellers. Allows resellers to accept new hosting orders on a https:// enabled site. This is in beta. Your mileage may vary.
The Official ClickBank Marketplace Plugin for WordPress