The Pattern Library

http://thepatternlibrary.com/

Subtle Patterns

https://www.toptal.com/designers/subtlepatterns/

图鱼

https://www.hituyu.com/

BackgroundLabs

http://backgroundlabs.com/

Ava7Patterns

http://ava7patterns.com/

Wallpaper Patterns

http://www.theinspirationgallery.com/wallpaper/index.htm

SVG Backgrounds

https://www.svgbackgrounds.com/

Patterns1

http://patterns1.com/gallery/art/

DesZone

https://deszone.net/freebie/all-graphics/

Low Poly Art

https://www.lowpolygonart.com/

Textures.com

https://www.textures.com/

Plaintextures

http://www.plaintextures.com/

Texturer

http://texturer.com/

Lost and Taken

https://lostandtaken.com/

Texture Haven

https://texturehaven.com/textures/

Wild Textures

https://www.wildtextures.com/

Texture Ninja

https://texture.ninja/

TexturePalace

https://www.texturepalace.com/

Lovetextures

http://www.lovetextures.com/

PatternCooler

https://www.patterncooler.com/

BGPatterns

http://www.bgpatterns.com/

Tartan Maker

http://www.tartanmaker.com/

Stripe Generator

http://www.stripegenerator.com/

Star Emission

https://wangyasai.github.io/Stars-Emmision/

Cool Backgrounds

https://coolbackgrounds.io/

Trianglify

https://trianglify.io/

Patternizer

https://www.patternizer.com/hyov/

Vactual Papers

https://www.vactualpapers.com/

Perlin Noise Painter

https://wangyasai.github.io/PerlinNoisePainter/

Hero Patterns

https://www.heropatterns.com/