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]

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]

Bots and spam mechanisms are capable of picking email address up from HTML source code - Use a Javascript to form your email addresses and kiss spam bots goodbye.
Developer: designplace.org Platform: Date upd:2003-02-12 Hits3291 [Visit]

E-mail protektor is a small javscript that alows you to put encripted e-mail addreses on your website. This way you can publish any e-mail address right on your website and never worry about spam again. We have developed many unique features that set e-mail
Developer: Editor ltd. Platform: linux, windows, freebsd, osx, sun Date upd:2006-05-11 Hits678 [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]