Email Riddler is JavaScript tool that encrypts and transform your email address into a series of numbers when displaying it on your site, making it virtually impossible for spam harvesters to crawl and add your email to their list. Highly compact and effective.
Developer: dynamicdrive.com Platform: Date upd:2003-05-14 Hits2731 [Visit]

This is a powerfull anti spam e-mail scripts. It prevents you from getting added to a mailing list of a spammer. The script is very easy to use and it is really small.
Developer: AlertSpam.com Platform: All (JavaScript) Date upd:2003-12-29 Hits1385 [Visit]

This nice and simple script that uses regular expressions to check that a form field contains a valid email address.
Developer: DynamicDrive.com Platform: Date upd:2005-11-12 Hits3385 [Visit]

A powerful anti-spam script that allows you to display one or several email addresses on your webpage without spam harvesters being able to extract them.
Developer: javascriptkit.com Platform: Date upd:2003-10-16 Hits2902 [Visit]

Verifies that a string looks like a real email address. It may return false for some valid exotic email addresses. To correct this you may want to edit the valid_chars string in the Validate_String function.
Developer: Francisco Charrua Platform: linux, windows Date upd:2005-04-17 Hits3091 [Visit]