[web2py] Alternative to reCaptcha?

Hi, I've been looking for some alternative to *Captcha, and so far I haven't found somethig original... until now, this[0] looks interesting, and seems not to be hard to use. Any ideas about if is possible to integrate it with SQLFORM? [0] https://github.com/josscrowcroft/MotionCAPTCHA Thanks in

[web2py] Alternative to reCaptcha

Hi, I think it is really cool that web2py works under the hood to keep a site secure (sql injection, xss...) and that it integrates and encourages reCaptcha. As a user, though, i find captchas, in general, and reCaptcha in particular to be annoying and invasive. For a small site that I'm building