A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Colourful background achieved with gradient fills.
Source Firkin
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
More in the paper realm, this time with fibers.
Source Jorge Fuentes
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Same classic 45-degree pattern, dark version.
Source Luke McDonald