StefanKeller: Re MAPTCHA - ReMAPTCHA - A free, map-based anti-spam service that enhances OpenStreetMap
https://wiki.hsr.ch/StefanKeller/wiki.cgi?ReMAPTCHA
At last, some tools to stop working for free for Google and contribute to the commons while reducing spam!
@arthurlutzim The Heroku app is down, the download asks for a password... but I like the general idea!
