Spammers really bug me.

I've been working on this on-going sports related portal project (that probably will NEVER go live :)

I love of hobby community sites degrade quickly because they lack the moderation resources to keep the user submitted content quality high and I've been thinking about this problem.

I thought I would share some interesting links that I found on the subject.

• The Official Captcha Site
• Microsoft Research HIP (Human Interactions Programming) 
• MSR Asirra (Animal Species Image Recognition for Restricting Access)
• Subkismit on CodePlex.com
• ASP.NET AJAX NoBot
• ASP.NET CAPTCHA Server Control on CodingHorror.com
• ASP.NET CAPTCHA Server Control on CodeProject.com