M Captcha is new way to prevent spam by asking user to draw a randomly generated pattern. M Captcha is targeted for touch screen device as drawing a pattern on the touch screen is far easier than typing in the textbox. It works well on every major desktop and mobile browser. For device without touch screen, pattern can be drawn using mouse.
M Captcha shows a randomly generated pattern with 9 dots connected via different lines and arrows indicates that order of connected dots. User will require drawing similar pattern as shown in the Captcha image, by connecting dots in same order as shown in the Captcha image either by touching screen or using mouse.
Features:
- Targeted for touch screen device as drawing on the touch screen is far easier than typing
- Fully customizable, you can change the color of arrows, color of connecting lines, background color etc.
- Very Easy to integrate
- Well documented
Click here for online documentation
Credits:
http://9dotpatternlock.codeplex.com/