Free. Category: Plugins. Google Talk Plugin lets you video chat right from Gmail. Look and sound your best with high quality audio and video. Getting started is -- all you need is a webcam. Here's what you'll need to get started: Download the voice and video chat plug-in, quit all open browser windows...
Free. iOS. Vtok is a messaging and audio- and video-calling app for the iPhone and iPad, available free from iTunes. Using a browser plug-in you can also use Vtok on a Mac or PC. You can use a Google ID to identify yourself to Vtok, although Vtok is not a Google-provided service.