Microsoft SharedView - Finally some free useful solution from Microsoft for Application Sharing

Microsoft SharedView is a fast, easy way to share documents and screen views with small groups of friends or coworkers; anytime, anywhere. Use SharedView to put your heads together and collaborate - create, convey, and communicate…across physical boundaries, through firewalls, and down to the smallest details.

cool. i am testing this one now. i Used mostly vnc for sharing the Desktop. i find lots of problem with connectiong to a computer inside the network and some firewall issues. Hope this one solve all those worries.

for more details check this link

update:

i just now tried with one with my friend. its really cool and easy. No connectivitiy issues. Some issues with windows live id login. Hope its beta issue. Anyhow glad to know that, i got some really useful tool for desktop sharing.

ooVoo - Multi-person Video Chat comes to Windows

Finally video chat with mulitple person comes to windows. Mac Os Already got this feauture. I waited for this feature in windows. ooVoo is similar to skype. currently oovoo giving free phone calls to US and cananda. you can also do some funny video effects when you are chating with your friends. Check this link for more details.