This Video Conferencing web based software can easily be used with WordPress sites to implement video conference for site users.
The Community Lite video chat plugin for WordPress handles the basic integration between WordPress and AVChat - a powerful video chat platform.
The Video Posts Webcam Recorder allows the WordPress administrators and authors to record and insert videos in their posts.
WP Premium Posts allows you to go beyond the frontend posting. You can charge for anything related to posting on your website!