Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic
Source Firkin
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Remixed from a drawing in 'Очерки Русской Исторіи въ памятникахъ быта', Petr Polevoi, 1879.
Source Firkin
Background formed from the original with an emboss effect
Source GDJ
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Black & white version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo