121 Like reCAPTCHA Good alternative? YES NO reCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows. About 200 million CAPTCHAs are solved by humans around the... Free Web No features added Add a feature Mollom analyzes content, whereas reCAPTCHA performs checks on the visitor. Both are useful anti-spam techniques, but they aren't equivalent. smokris • Jul 2017 Disagree Agree
2 Like visualCaptcha Alternative? YES NO A configurable captcha solution, focusing on accessibility & simplicity whilst maintaining security. Free Open Source Self-Hosted GitHub Mobile friendly Add a feature Discontinued As from Dec 26, 2016: Please note visualCaptcha is no longer actively developed. It still works and should continue to, but it won't be improved by the initial team anymore. ... Source: https://github.com/emotionLoop/visualCaptcha/blob/master/README.md
5 Like Akismet Good alternative? YES NO A spam filtering program that is free for personal use and you have to pay for corporate usage. Free Personal Web No features added Add a feature
2 Like CleanTalk Good alternative? YES NO Spam protection plugins for Joomla, WordPress, phpBB3, IP.Board, vBulletin and etc. Protection without CAPTCHA. Commercial Web No features added Add a feature
1 Like Solve Media's CAPTCHA TYPE-IN™ YES NO Solve Media's CAPTCHA TYPE-IN ads are an easy plug-in solution that saves your users time while making your site more secure and more profitable. Instead of... Commercial Web No features added Add a feature
3 Like UniqPin Good alternative? YES NO UniqPin is a free for non-commercial use service which destiny improve ability of interfaces detect a human or a computer operate with it. Surpassing a CAPTCHA... Free Personal Self-Hosted JavaScript PHP No features added Add a feature
2 Like Sblam! Good alternative? YES NO Open-source implementation of server-side spam filtering of blog comments and forum posts. It's available as a free web service. It's open source, so you can... Free Open Source Linux Web No features added Add a feature
2 Like Confident Captcha Good alternative? YES NO Confident Technologies provides free CAPTCHA security software called Confident CAPTCHA, a picture CAPTCHA that stops spam and bots. Download our free CAPTCHA security... Freemium Web Two factor authentication Add a feature
