Nasty video chats without signing in
Since it runs entirely in your web browser, you don't have to download a program in order to run it.It grabs hold of your webcam and microphone through the Google Hangouts website and delivers HD transmission of both right through the browser.However, if you do have a Mac, i Phone, or i Pod touch, you can easily make video or audio calls from the device, almost in the exact same way you would make a regular phone call.Similar to Google Hangouts, Facetime lets you search through your phone's contacts to find someone to call.More » ) is a video calling app for Linux and Windows computers.It supports HD sound quality and (full screen) video that has a quality comparable to DVD.It works on Windows and Mac computers but also mobile devices like Black Berry, i OS, Android, Nokia, and Kindle.You can also join chat rooms, send stickers, make audio only calls, and set up group chats.
However, their audio calling feature can actually be used with regular phones too, for a small fee.
One neat feature when doing that is that you can see which of your contacts are using Facetime (you can't call someone unless they're also signed up for Facetime).
More » Another similar way to make free HD video calls from your computer is with Nimbuzz.
It's as easy to use as selecting a contact from the "Viber Only" section of your contact list, and then using the video button to start the call.
Viber lets you turn the video off whenever you like, mute the call, or even transfer the call.