No. The Canvas area requires an SSL certificate (a Facebook requirement, not JFBConnect) and the Request functionality relies on the Canvas area for invitations. We wish that wasn't the case, but that's simply how Facebook has things structured.
An SSL certificate can be had for as little as about $11-12 / year (for multiple years) or under $20 (for one year). Some hosting companies require you buy their certificate, but if you can buy 3rd party ones, the guide below explains the process:
SSL Certificates for Facebook
Hope that helps,
Alex