Showing 6 open source projects for "captcha"

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  • 1
    Grapcha - Captcha with Graphviz. Why are the captchas always small? This one is bigger, and hopefully easy to read.
    Downloads: 0 This Week
    Last Update:
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  • 2
    A collection of tools for generating audio and visual (PNG/HTML/WAVE) for use in web sites including CAPTCHA challenges and PNG image creation tools with Javascript mouse tracking support.
    Downloads: 0 This Week
    Last Update:
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  • 3
    Provides common features to an existing website or as a template for a new site (provides: user authentication, email verification, CAPTCHA, security logging, groups, messaging, forum, AJAX chat, blog/news). Focused on security, efficiency, simplicity.
    Downloads: 0 This Week
    Last Update:
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  • 4
    A PHP class and example implementation of an image CAPTCHA. Uses random TrueTrype fonts and ramdom lengths, sizes and character rotation, as well as a full character set to defeat character recognition bots. Primarily used for spam prevention in web apps
    Downloads: 0 This Week
    Last Update:
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  • 5
    This script is designed to help validate human input on a form by showing a gd generated image with a dictionary based random word that the user must input into a form when submitting which is validated by using a database table that tracks the session.
    Downloads: 0 This Week
    Last Update:
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  • 6
    An Open Source generator of "Turing images" (also known as "CAPTCHA") which explores the use of different mathematical models like fractals, noise generation and the Fibonnaci sequence, rarely used in this field.
    Downloads: 0 This Week
    Last Update:
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