וורדפרס - WordPress
We have experience in WordPress development since 2011. In total we created 70+ websites from scratch. Apart of his we also develop modules from scratch and place them of official source:
https://wordpress.org/plugins/posts-widget-with-tabs/
https://wordpress.org/plugins/mailchimp-and-constant-contact-integration/
https://wordpress.org/plugins/youtube-subscriber/
Best websites we did:
http://mychinesetutor.org/ - Wordpress, jQuery, Facebook API, Youtube API, PHP, Mysql, HTML, JavaScript, CSS, XML, JSON, AJAX
http://shernoff.com/ - Wordpress, PHP, Mysql, HTML, JavaScript, CSS, AJAX
http://fabrikastilya.ru/ - Wordpress, Jigoshop, PHP, Mysql, HTML, JavaScript, jQuery, CSS