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A plugin which identifies and blocks comment and trackback spam on blogs with integration to various blogging systems.

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Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and culture ...

A free open-source PHP CAPTCHA script for generating complex CAPTCHA images and audio files. Easy to integrate and customize.

News, commentary and media criticism for online journalists, publishers and other bloggers, from the Knight Digital Media Center and the USC Annenberg School for ...

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Create NO spam guestbook

A list of tools he's made, including a RSS feed creator and button maker. Includes a blog.