Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
A seamless pattern formed from background pattern 102
Source Firkin
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
White handmade paper pattern with small bumps.
Source Marquis
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Different from the original in being a simple tile stored as a pattern definition, rather than numerous repeated objects. Hence easy and quick to give this pattern to objects of different shapes. To get the tile in Inkscape, select the rectangle and use shift+alt+i.
Source Firkin