Code for America — Website: http://www.codeforamerica.org/

Note: The source text explicitly references Code for America's website in multiple places. While the exact URL 'http://www.codeforamerica.org/' is not stated in isolation, the source contains references to 'http://www.codeforamerica.org/supporters/' and 'https://codeforamerica.org/about-us/financials/', which confirm the base domain. Per the URL format guidance, differences in protocol (http vs https) and www prefix are not contradictions. The claimed website is confirmed by these references.