CAPTCHA/Integration/Plugins for software
< CAPTCHA | Integration
WordPress edit
There are many CAPTCHA plugins available for WordPress. Search with Google.
DokuWiki edit
A DokuWiki plugin is available and has many types of CAPTCHAs available.
MediaWiki edit
ConfirmEdit is a extension for MediaWiki that provides a CAPTCHA and is configurable. It is well known as Wikimedia Foundation projects use them.