The Intuit Design Library. http://harmony.intuit.com
Besquare is currently working hard to evolve into a one stop shop for all designers and developers to come and watch/listen to some of the greatest in our industry give talks from the best conferences around the world.
A collection of various style guides and pattern libraries. Style Guide Round-Up Style Guide Collection Front End and UI Style Guides Starbucks Style Guide MailChimp Salesforce1 Yelp Code For America BBC The Guardian South Tees Hospital Paul Robert Lloyd Mapbox BBC Programmes Editorially Videos: Laura Kalbag: http://www.besquare.me/speakers/laura-kalbag/
Pattern Lab is a collection of tools to help you create atomic design systems. http://patternlab.io Build systems, not pages!