QritiQ.me - A community for designers to share and learn
Mediamodifier - Create beautiful designs and product mockups in seconds.
Sidebar Webring - A collection of handpicked blog feeds focused on design
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Ocean - A Community of designers sharing feedback
MockupBro - Create awesome mockups without any graphic software. Just choose mockup, upload your design and download your image.