Free Communication software

Software bundle from Microsoft containing Mail, Messenger, Movie Maker, Photo Gallery, Writer, Toolbar and Family Safety Tags: live essentials

Voip client

Software bundle from Microsoft containing Mail, Messenger, Movie Maker, Photo Gallery, Writer, Toolbar and Family Safety. Tags: live essentials

Add cool live effects and funny graphics such as sunglasses or hats to a webcam's output

Call or send instant messages

Free calls to regular phones (+ mobile in US) over the internet

Store and sync your email, calendar, contacts, files and documents in the cloud - yet have them locally accessible and aggregate information across accounts like Yahoo! Mail, Gmail, Hotmail and social networks like Facebook and Twitter

Send instant messenges

Video chat rooms & live webcams

Call anywhere in the US and Canada for free and get low rates for other countries with this small plugin, right from within Gmail Tags: gizmo5 successor

Extensible instant messaging client for AIM, Facebook Chat, Google Talk, Twitter, ICQ, MSN, and Yahoo Tags: mozilla

Email client, calender, contact manager & instant messaging application Tags: outlook

Twitter client for Windows XP, Windows Vista and Windows 7