A free pink background pattern.
Source V. Hartikainen
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
Green Background Pattern
Source V. Hartikainen
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Sometimes you just need the simplest thing.
Source Fabricio
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Prismatic Groovy Concentric Background No Black
Source GDJ
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
A seamless pattern formed from a tile made from ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
This metal background pattern resembles a metal plate with rivets. Solid rivets on a metal plate.
Source V. Hartikainen
A repeating background of beige (or is it more vanilla yellow) textured stripes. One more background with stripes.
Source V. Hartikainen
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
This one needs to be used in small areas; you can see it repeat.
Source Luca