Era Captcha is really simple and colorful captcha class.
Some key features are:
– Three-way verification [Session, Cookie, Session + Cookie both] – Three diffrent captcha style [Mathematics, random words and numbers, dictionary] – 3 line code block
– Very easy to configure
– Support multiple instances
– Encrypt captcha data with user IP and user-agent
– Verifiying form element too simple
Online Documentation :
Online WorkSheet :
average based on ratings.