Sblam!
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 set up your own server if you prefer. It's...
View ArticlereCAPTCHA
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 world every day. In each case, roughly...
View ArticleKeypic
Keypic provides a series of Web Security solutions 1) Protection from web-spam without CAPTCHA Keypic helps boost site conversions & user loyalty • Prevent Comment Spam in blogs and forums. •...
View ArticlePHPMailer
PHPMailer is a code library to send(transport) emails safely and easily via PHP code from a web server (MUA to the MSA server).
View ArticleNegative Captcha
A negative captcha has the exact same purpose as your run-of-the-mill image captcha: To keep bots from submitting forms. Image ("positive") captchas do this by implementing a step which only humans can...
View Article
