responsive web testers

http://www.graphicalliance.co.uk/project/miller-harris-ecommerce-website/
http://designshack.net/articles/css/5-really-useful-responsive-web-design-patterns/
http://www.tripwiremagazine.com/2012/04/responsive-web-design-tools.html
http://www.1stwebdesigner.com/inspiration/responsive-webdesign-tools-inspiration/
http://mediaqueri.es/
http://www.fastcompany.com/homepage/2014/10/13
http://www.bluecaribu.com/optimizacion-de-conversiones-y-sem/
http://www.dmxzone.com/76/showcases

money  http://www.subtraction.com/

nice http://support.balsamiq.com/customer/portal/articles/615901
http://www.tripwiremagazine.com/2012/04/responsive-web-design-tools.html

studio http://www.thismanslife.co.uk/portfolio/web/
https://www.youtube.com/watch?v=uimQXCJbgv8#t=30
http://www.thismanslife.co.uk/portfolio/web/