TGCaptcha is a TurboGears widget that provides an easy way to incorporate a captcha as part a form in an attempt to reduce spam or malicious activity.

Features include:

• (Relatively) pain-free usage and validation inside of a regular widget-based form
• Flexibility to add or extend image generation algorithms and the text displayed in the image

Some sample captcha images that the widget can generate are as follows:

Vanasco-Dowty (default)

McDermott