Just had a request for open source alternatives to Google's #Recaptcha.

Any suggestions?

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@switchingsocial

The idea I have seen that seems the best to me is to include a hidden form field and then a bot will fill it out whereas a normal user cannot see it and will not fill it out.

If the field is filled out then the form entry is rejected.

Maybe getting a specific use case would be more beneficial though as this may not cover all circumstances.

@jeff @switchingsocial
I love that idea - and it would be perfect for the Anti-Social media site I keep threatening to work on.
(You sign up for an account, and fill in your profile. There is a post button, but if you click on it, it deletes your account for trying to be social! :perfect:

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