Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

CoSketch - CoSketch is a multi-user online whiteboard designed to give you the ability to quickly visualize and share your ideas as images. No registration or plugins required.

Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Coccinella - Coccinella is a free and open-source cross-platform instant messaging client with a built-in...

Facebook Messenger - Facebook Messenger is a faster way to message.

Conceptboard - Instant Whiteboards for Teams & Projects