I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Retro Circles Background 8 No Black
Source GDJ
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
A browner version of the original weathered fence texture.
Source Firkin
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers