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
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
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
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
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
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
Almost like little fish shells, or dragon skin.
Source Graphiste