TracCaptcha is a trac plugin to embed a captcha in Trac pages so that spammers are kept out.
"It just works": Installation and configuration is very simple, just install the egg and put two configuration options in your trac.ini. No database changes required.
Batteries included: The popular
... [More] reCAPTCHA system is supported out of the box.
Does not annoy users: After the user entered the captcha once, he does not have to solve the captcha again for the same ticket when he just clicks 'preview'. Also you can configure exempt certain users or groups (e.g. 'all authenticated users') from the captchas just by using Trac's permission system.
Easy to extend: Several 3rd party Trac plugins are supported as well. Integrating another plugin typically takes only 20-30 lines of code! [Less]
Securimage is a script for generating complex images and CAPTCHA codes to protect forms from spam and abuse. It can be easily added into existing forms on your website to provide protection from spam bots. Securimage does everything from generating the CAPTCHA images to validating the typed code.
... [More] Audible codes can be streamed to the browser with Flash for the vision impaired. [Less]
This plugin is designed to make using the ReCaptcha and Mailhide services within Grails easy. In order to use this plugin, you must have a ReCaptcha account, available from http://recaptcha.net.
WTForms-reCaptcha is a convenient field for WTForms that transparently handles reCaptcha display and validation via corresponding widget and validator classes.
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