Placemat - Pretty nice placeholder images.
Web Gradients - Curated collection of 180 free fresh background gradients 🚀
placeholder.pics - Lightest way to include placeholder images in your design
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.
Placeholder Loader Creator - SVG component editor to create placeholder loaders
Mesh Gradients by ls.graphics - Free, handmade mesh gradients for your next project 🍭