I develop: http://www.energyjustice.net/map (a map of dirty energy facilities)
I use PHP, MySQL, JQuery, AJAX, Google Maps, Quantum GIS.
Q&A for professional and enthusiast programmers
Q&A for Drupal developers and administrators
Q&A for cartographers, geographers and GIS professionals
Q&A for statisticians, data analysts, data miners and data visualization experts
Q&A for computer enthusiasts and power users