Durves - The curve design pattern tool
Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android
Pattern Collect - Curated gallery of patterns by awesome designers
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.
Hero Patterns - A collection of repeatable SVG background patterns
Splashify - Beautiful desktop wallpapers for Mac and Windows