DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
Design Principles - An open source repository of design principles and methods
CADMAPPER - Instant CAD files for any location on earth
UXmeter - Like Tinder, but for finding the hottest web design in town
MAPACAD - MAPACAD is an online website that is providing leverage to designers and architectures to have the ability to download CAD map cities that can be directly used in their projects.
Atlassian Design - Design, develop, and deliver