The Joomla! Extensions Directory ™

Captcha

CAPTCHA: Completely Automated Public Turing test to tell Computers and Humans Apart

OSOLCaptcha

Joomla! 2.5 SeriesJoomla! 3.0 Ready ★★★★★11 votes108 reviewsPlugin

Captcha for joomla core and custom forms.Inserts captcha in registration,contact,reset password, remind username forms on enabling this plugin.To add captcha in custom forms without changing any existing codes or admin settings, follow the steps mentioned ...

Type: FreeLast Update: 2013-06-11

KeyCAPTCHA Popular

Joomla! 2.5 SeriesJoomla! 3.0 Ready ★★★★½56 votes117 reviewsPlugin

KeyCAPTCHA - CAPTCHA with social features. You may support charity funds by using KeyCAPTCHA. Unlike many other captchas, it does not require any text typing. Free Variants of Using KeyCAPTCHA: 1. Anti-spam protection. Social advertising. Monetizatio ...

Type: FreeLast Update: 2014-05-22

EasyCalcCheck PLUS Popular

Joomla! 2.5 SeriesJoomla! 3.0 Ready ★★★★½39 votes155 reviewsPlugin

Protects Joomla! core forms and 3rd party extensions through the integration of anti-spam services and adds an arithmetic problem, a question, a hidden field and a time lock. Supported 3rd Party Extensions in the Joomla! 2.5 version: aiContactSafe, Alf ...

Type: FreeLast Update: 2013-11-17

SecurImages

Joomla! 2.5 SeriesJoomla! 3.0 Ready ★★★★½29 votes29 reviewsPlugin

This Captcha plugin works with any Joomla extension capable of using the Joomla core captcha plugin system. It uses the Securimage PHP CAPTCHA script for generating complex images and CAPTCHA codes (including math challenge) to protect forms from spam and ...

Type: PaidLast Update: 2014-06-05

PlayThru Captcha

Joomla! 2.5 SeriesJoomla! 3.0 Ready ★★★★½16 votes19 reviewsPlugin

Let your users play minigames, instead of trying to guess twisted and distorced words! This plugin brings to Joomla! the power of PlayThru captcha, created by AreYouAHuman. **** Now this plugin has become "official"!: AreYouHuman has just announce ...

Type: FreeLast Update: 2013-02-05

Joo ReCaptcha

Joomla! 2.5 Series ★★★★½11 votes52 reviewsPlugin

Joo ReCaptcha Plugin add a free ReCaptcha form on your joomla webpage for prevent abuse from non human visitors. Our Plugin is Joomla! 1.5, 1.6/1.7 & 2.5 native, is easy to setup and does not alterate original Joomla CMS code. With only few cl ...

Type: FreeLast Update: 2012-03-28

n3t Seznam Captcha

Joomla! 2.5 SeriesJoomla! 3.0 Ready ★★★★½6 votes7 reviewsPlugin

Simple text CAPTCHA with optional audio form, spelled in Czech language. It includes selectable theme and inline audio player with fallback download link. This plugin wraps the seznam.cz Captcha API. Additional protection by checking online spam dat ...

Type: FreeLast Update: 2014-01-21

JProiCaptcha

Joomla! 3.0 Ready ★★★½5 votes5 reviewsPlugin

JProiCaptcha is a user friendly secure Captcha plugin for Joomla! 3. It's Joomla! R3ADY! JProiCaptcha, allows you to protect your Joomla! 3+ forms from spammers and bots. When enabled, it renders automatically on all Joomla! system forms - user registr ...

Type: PaidLast Update: 2013-10-24

Custom reCaptcha

Joomla! 2.5 SeriesJoomla! 3.0 Ready 3 votes3 reviewsPlugin

Custom reCaptcha is a plugin that gives you control over the look of the Google's reCaptcha widget. It can replace the standard reCaptcha plugin packaged with Joomla! reCaptcha from Google is a 'one-size-fits-all-designs' widget that does not offer man ...

Type: FreeLast Update: 2014-10-29

Core Design Captcha

Joomla! 2.5 Series 2 votes26 reviewsPlugin

Guard your forms against annoying spam and stay focused on your business everyday. Be first to say goodbye to spam.

Type: FreeLast Update: 2013-05-03

Yandex Captcha

Joomla! 3.0 Ready 2 votes2 reviewsPlugin

This CAPTCHA plugin uses the Yandex.Clean Web service to prevent spammers. You can configure complexity of the characters. You need to get a free API-key, it can be done here. Plugin works with any Joomla extension capable of using the Joomla core captc ...

Type: Free

iDCaptcha

Joomla! 2.5 Series 2 votes2 reviewsComponentPlugin

It's alternative Joomla 2.5 captcha plugin and component. You may customize more than 50 captcha's parameters: font and background color; background image; fonts; noises.

Type: Free

tinCaptcha

Joomla! 2.5 Series 1 votes11 reviewsPlugin

Another simple captcha for Joomla. It has been integrated with Joomla contact and Virtuemart registration. The component is created for easier integrating and languages installing. Captcha settings could be found in Plugin page. Please read the tutorial ...

Type: FreeLast Update: 2013-02-06

Captcha by Ideal

Joomla! 2.5 SeriesJoomla! 3.0 Ready 1 votes7 reviewsPluginExtension Specific Addon

Important: This plugin ONLY works with Contact Enhanced [1], Ajax Recommend [2] Ajax Contact [3] and iRecommend [4]. Multiple CAPTCHA Engine is a system plugin to produce and verify captcha images. With this new version, you will get 4 different ca ...

Type: PaidLast Update: 2013-02-21

jGraphic Captcha Protection

Joomla! 2.5 SeriesJoomla! 3.0 Ready 1 votes1 reviewsPlugin

This plugin is good solution against spam on your website. jGraphic Captcha Protection is easy to setup and use. No extra hardware or complicated software to install. It protects your website against bots and spam software. Adds extra security for user re ...

Type: FreeLast Update: 2014-09-05

EasyCAPTCHA_efence

Joomla! 2.5 SeriesJoomla! 3.0 Ready 2 votes2 reviewsModulePlugin

efence can do the following for you: 1. Protection against spam and malicious bots that can harm your web resources: efence is an alternative to CAPTCHA which protects your website against spam and makes it fun for the user to solve challenges. It pre ...

Type: Free

RVS reCaptcha

Joomla! 2.5 Series 3 votes23 reviewsPlugin

This plugin adds Googles reCaptcha support to JForm compatible with Joomla 1.6 and 1.7, most importantly the user registration form. All you need to get a reCaptcha is a public/private key pair from google. In order to translate this extension into you ...

Type: FreeLast Update: 2011-08-14

Confident CAPTCHA

Joomla! 2.5 Series 0 votes7 reviewsPlugin

Confident CAPTCHA™ is a picture-based CAPTCHA that stops spam and bots without frustrating your website visitors. Tough on Bots. Easy on People. Website visitors simply click a few pictures on Confident CAPTCHA to prove they are human and not a bot. ...

Type: FreeLast Update: 2012-10-16

VouchSafe

Joomla! 2.5 Series 0 votes2 reviewsPlugin

VouchSafe is an easy, effective replacement for CAPTCHAs that requires users to simply draw a line to join two objects that are related, or to circle an object that doesn't belong in a collection. VouchSafe is the only Human Interactive Proof that uses a ...

Type: Free

OSE Email Masking

Joomla! 2.5 Series 0 votes0 reviewsPlugin

OSE Email masking plugin masks your email address from articles to hide it from spammers. What does the component do OSE Email Masking plugin is a modified version of Email Cloaking plugin created by Bristlecone Web Austin and the Joomla default ema ...

Type: Free