WebCamSplitter Pro
It's known that two or more applications cannot use the same stream from the same webcam at the same time. If one application captures a video source, another application cannot reach it because the source is locked. Typical example: you need to give a videoconference with two friends or... If your videoconference software does not support multiple conferences, you will have to start two instances of the same software. ... Also it is possible to use a media file instead of video capture device like a virtual camera.
http://very-soft.com/index.php?page_id=download&obj=wcspro - 1Mb - Download - Screenshot

WebCamSplitter
It's known that two or more applications cannot use the same stream from the same webcam at the same time. If one application captures a video source, another application cannot reach it because the source is locked. Typical example: you need to give a videoconference with two friends or... If your videoconference software does not support multiple conferences, you will have to start two instances of the same software. ... 9) Intelligent Connect feature allows to use IYUV, MPEG4 and other input formats, instead of just RGB24-compatible devices in previous version.
http://very-soft.com/index.php?page_id=download&obj=wcs&lang=en - 1Mb - Download - Screenshot

webcamAMP
People will enthusiastically join into busy webcam websites and programs, they will even invest money to do so. But they will put little or no thought into making it easier for their viewers to know them. Whether you have a webcam or not, webcamAMP provides several tools to effectively... webcamAMP is compatible with Netmeeting, ICUII, ISPQ, Anywebcam, Jmeeting, Meetcam and many other popular videoconference programs, and best of all you can send live cam to them all simultaneously!! ... webcamAMP is the Webcam Amplifier ..
http://www.shadowsofeden.com/webcamAMP/webcamAMPdemo.exe - 3Mb - Download - Screenshot

WebCamDV
WebCamDV allows you to use your DV camcorder as a Web cam in conjunction with any Instant Messenger application (AOL IM, Yahoo Messenger, MSN Messenger), letting you videoconference with or send still images to your AIM buddies. It is not necessary for your buddies to install WebCamDV or even... This means broadcasting and surveillance in addition to video chatting with your favorite buddies across the globe. ... Don't forget this software will allow you to use your camcorder in virtually all Webcam/instant messenger applications on the market.
ftp://download.orangeware.com/wcdv_2_1.exe - 3Mb - Download - Screenshot

BuddyLive
BuddyLive from WebCamDV allows you to use your DV camcorder as a Web cam in conjunction with any Instant Messenger application (AOL IM, Yahoo Messenger, MSN Messenger), letting you videoconference with or send still images to your AIM buddies. It is not necessary for your buddies to install... This means broadcasting and surveillance in addition to video chatting with your favorite buddies across the globe. ... Don't forget this software will allow you to use your camcorder in virtually all Webcam/instant messenger applications on the market.
ftp://download.orangeware.com/bdylve21.exe - 3Mb - Download - Screenshot

DVdriver
DVdriver runs in conjunction with multiple webcam software applications simultaneously. It lets your camcorder act like a webcam that has optical zoom, auto focus, stereo sound, auto stabilizing, night vision, high quality optics, and more, depending on your camcorder. ... - Videoconference with software like NetMeeting. ... - Pan/Tilt/Zoom control: Digitally zoom in and out. ... Shift the field of view in any direction. ... Control optical zoom of Canon ZR and compatible cameras. ... - PowerPod control: With a PowerPod robotic camcorder base, control pan (160 degrees) and tilt (110...
http://www.pantiltcam.com/TCamWeb/download/dvdriver_bykeyword.exe - 556Kb - Download - Screenshot