Google Hangouts is an instant messaging and video chat platform with a versatile feature set.
Skype is a very popular cross platform freemium voice-over-IP service and instant messaging client.
Meetings.io is an effortless video meetings platform.
FaceTime makes video calls over Wi-Fi from your iPhone, iPad, iPod touch, or Mac to someone else's.
Facebook Video Chat
Facebook Video Chat is a simple and easy way to stay in touch with the friends you already have on a social network you already use. Requires a plugin to work.
Omegle is a free online chat website that allows users to communicate with strangers without registering. The service randomly pairs users in one-on-one chat sessions where they...
Chatroulette is a place where you can interact with new people over text-chat, webcam and mic.
All in one team communication and collaboration application. Video, audio, text chat + sharing of tasks, files, notes, calendars and more.
ooVoo Video Chat
ooVoo is a FREE video chat and instant messaging app for desktop, mobile, tablets and Facebook.
TinyChat is part free video chat service and part social network.
I's lightweight, requires a browser plugin to work and free (with ads).