Gudasoft

Remote desktop sharing, online presentation

Wow! What a wonderfull article here

http://www.yuuguu.com/home its free, it has win/mac/linux versions!

http://www.nchsoftware.com/screen/index.html

A free software that lets others watch your screen in real time. No need to install any software, which is a plus. Works with Windows, Mac and Linux.

http://www.crossloop.com/

CroosLoop is also very easy to use, but requires that each party install the CrossLoop software onto their computers. Uses 128-bit encryption and allows for file-sharing also.

https://secure.logmein.com/home.asp?lang=en

Another popular service for remote desktop sharing. Easily access remote PC’s by installing a client software onto each machine. Good for remote PC trouble-shooting, etc.

http://showmypc.com/

A good free tool for online collaboration, desktop sharing, and remote PC access. No registration required, no logins, very easy to use. Uses SSH to make connections to other PC’s.

http://skyfex.com/

SkyFex allows remote watching and remote control in real time. Does not require additional software installation and works transparently through NAT and Firewalls. Only for IE though.

http://www.teamviewer.com/index.aspx

TeamViewer has a couple of features, such as remote control of PCs, screen sharing, file transfer, chat ability, and is secure. Have to install the TeamViewer software for it to work.