Sitios
http://www.joomla-mexico.org/
http://drupalmexico.com/
http://www.comunidaddephp.org/
http://phpmexico.mx/
http://www.comunidadphppuebla.com/
http://jugmexico.org/
https://groups.drupal.org/mexico
https://connect.sensiolabs.com/club/symfony-mexico
PHP
https://www.facebook.com/groups/124466667646317/
https://www.facebook.com/groups/126036877877/
https://www.facebook.com/pages/PHP-Mexico/137017066340686
https://www.facebook.com/pages/PHPMexico/311019245623601
https://www.facebook.com/groups/HypertextPreprocessor.es/
Drupal
https://www.facebook.com/groups/276104282433051/
https://www.facebook.com/groups/172550172900128/
https://www.facebook.com/groups/85735303719/
https://www.facebook.com/drupalmexico
https://www.facebook.com/DrupalCampMx
Twitter
https://twitter.com/ComPHPPuebla
https://twitter.com/ComunidadDePHP
https://twitter.com/phpmx
https://twitter.com/JoomlaMex
https://twitter.com/SymfonyMexico
https://twitter.com/wordpress_mex
https://twitter.com/html5facil (No es PHP pero es válido incluirlos)