Web Gradients - Curated collection of 180 free fresh background gradients 🚀
FreshBackMac - Fresh backgrounds for your Mac from multiple sources
CoolHue - Coolest Gradient Hues and Swatches
Multiple.js - Sharing background across multiple elements using CSS
CSSGradient.io - As a free css gradient generator tool, this website lets you create a colorful gradient background for your website, blog, or social media profile.
Is This Big Enough? - Request & receive the right size images from clients