DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
Wirify - 29 Sep 2017 . Wirify is available in two versions: Wirify is free and available on the homepage; Wirify Pro is available to customers with active Wirify credits. Wirify and Wirify Pro menu items - Wirify user guide.
CADMAPPER - Instant CAD files for any location on earth
Platforma - Wireframe library of layouts and UI elements
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.
Wireframe.cc - Sweet and simple online wireframing tool.