A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Background formed from the original with an emboss effect
Source GDJ
Classic vertical lines, in all its subtlety.
Source Cody L
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
A free light orange brown wallpaper with vertical stripes designed for use as a tiled background on websites. An yet another background pattern with vertical stripes.
Source V. Hartikainen
From a drawing in 'Danmarks Riges Historie af J. Steenstrup, Kr. Erslev, A. Heise, V. Mollerup, J. A. Fridericia, E. Holm, A. D. Jørgensen', 1897.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A seamless paper background colored in pale yellow.
Source V. Hartikainen
From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A cute x, if you need that sort of thing.
Source Juan Scrocchi
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Just like the black maze, only in light gray. Duh.
Source Peax
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
From a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
Zero CC tileable ground cracked, crackled, texture, made by me.
Source Sojan Janso