TypeSlab - Simple, shareable typographic posters
Creative Market - Buy and sell handcrafted, mousemade design content like vector patterns, icons, photoshop brushes, fonts and more at Creative Market.
Font Candy - Font Candy lets you mask your photos with captions or simply overlay your images with text.
SocialSizes - Sketch templates for sharing images & videos on social media
Bold - Ultra-fast anonymous publishing platform.
Icons8 Developer API - 500k+ design assets, now available on-demand