1. HOME SECURITY SYSTEM : -
Free Softwares are available over internet for download, which you can use to turn a webcam into a remote security system.
Check out www.yawcam. com (For Windows)or www. vitamindinc.com (Windows and MAC).

2. Gaming : -
Try www.newgrounds. com, which have plenty of games which uses web cam as an input like keyboard and mouse. Check it out!!

3. Unlock your laptop / desktop using face recognition
Visit http://bananascreen.en.softonic.com and download the free software.

4. Funny Effects on Photo
Check out www.cameroid.com or www.seenly.com and have fun.

5. BAR CODE READER
Shocked but its true. Download the software from www.bcwebcam.

6. MAKE A FONT OF YOUR HANDWRITING
Head over to www.pilothandwriting.com and create one and show your friends your handwriting is one of fonts which systems supports