Though I don't see any restriction on where this can be used, it aims for building Salesforce apps. > What is the Lightning Design System? It is collection of

Though I don't see any restriction on where this can be used, it aims for building Salesforce apps. > What is the Lightning Design System? It is collection of design patterns, components, and guidelines for creating unified UI in the Salesforce ecosystem. http://www.lightningdesignsystem.com/faq http://www.lightningdesignsystem.com/faq