Merry Christmas Design Assets - Over 40,000 high-quality Christmas assets from Iconscout to bring the spirit of Christmas to your designs.
Slickr - Powerful cover image generator for your Hashnode blog
Creative Market - Buy and sell handcrafted, mousemade design content like vector patterns, icons, photoshop brushes, fonts and more at Creative Market.
Canva Pro - Millions of design assets, templates and images all in one
Christmas HQ - Totally free holiday icons, images, borders and fonts
SocialSizes - Sketch templates for sharing images & videos on social media