Christmas Design Assets by Iconfinder - Sprinkle up your seasonal content with these festive goodies.
Mockups Design - Mockups Design is the most leading web-based application that comes with a vast collection of creatively design mockups for all kinds of products and devices.
Christmas HQ - Totally free holiday icons, images, borders and fonts
Anthony Boyd Graphics - Anthony Boyd Graphics is the fastest-growing platform that offers high-quality and advanced level mockups, textures, 3D models, and UI kits for free to help designers to save time and effort.
Iconjar - Store all your icons in one place, just a click away
Mr. Mockup - Mr.