http://www.google.com/about/company/rewardprogram.html
http://www.mozilla.org/security/bug-bounty.html
http://www.ccbill.com/developers/security/vulnerability-reward-program.php
http://secunia.com/community/research/svcrp/
http://www.chromium.org/Home/chromium-security/vulnerability-rewards-program
http://www.facebook.com/whitehat/bounty/
http://piwik.org/security/
https://cms.paypal.com/cgi-bin/marketingweb?cmd=_render-content&content_ID=security/reporting_security_issues
http://www.barracudalabs.com/bugbounty/
http://www.hex-rays.com/bugbounty.shtml
https://www.samsungbugbounty.com/
http://www.ghostscript.com/Bug_bounty_program.html
http://www.tarsnap.com/bugbounty.html
http://www.whitefirdesign.com/about/wordpress-security-bug-bounty-program.html
http://www.whitefirdesign.com/about/drupal-security-bug-bounty-program.html
http://www.zerodayinitiative.com/about/benefits/
http://www.millsapisd.net/BugReport.cfm
http://www.microsoft.com/security/bluehatprize/rules.aspx