Radek Matej

A very simple yet effective solution to display the actual image from your webcam on any page. Directory with webcam images is periodically scanned and the most recent image is displayed without the need to refresh whole page.
<ul>
<li>Webcam images filenames need to be timestamped (for example <code>20150923.jpg</code>).</li>
<li>Uses <a href="http://facebook.github.io/react/" rel="nofollow ugc">React JavaScript library</a> to provide good performance and seamless user experience.</li>
</ul>

React Webcam

Add auto-refreshing image from your webcam to any page.

webrtcventures

This plugin adds the functionality of video chat between users of your blog by using 
Tokbox (Experimental).

AgilityFeat's Click To Call

This plugin adds the functionality of video chat between users of your blog by using Tokbox (Experimental).

React Webcam vs AgilityFeat's Click To Call