ShowMeWhatsWrong.com allows you to help someone with a computer problem by giving them a free 5-minute screen recording, where they can demonstrate the problem.
FreeConference is a service for free telephone conferencing.
Tinychat is great for hosting a quick video chat with a small group of people.
Livecage provides online web conferecing.
Vyew allows you to share your computer screen for web conferencing.
Koowy allows video chatting without downloading any software.
join.me is an easy to use web-based screen sharing system.
Tokbox allows you to have a web-based video chat with up to 20 people.
Microsoft SharedView is a simple screen sharing program.
