Piktab - Discover free graphic resources on every new tab
Mediamodifier - Create beautiful designs and product mockups in seconds.
Dev Tips - A developer tip, in the form of a gif, in your inbox
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Product Design Tips - Product design tips delivered via your browser
MockupBro - Create awesome mockups without any graphic software. Just choose mockup, upload your design and download your image.