aLync – Instant Messenger for Yahoo, GTalk, MSN
aLync is a Instant Messenger client for Yahoo, Google Talk, MSN and OCS/Lync (At this one is necessary CWA for connection ) . This im client provides you a file transfer, the posibillity to sent messages and call contacts from your list.
In the same time, you can create a conferince with all your friends from the 4 services (Yahoo,GTalk,MSN si OSC/Lync).
To download aLync you need to go here .