CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Vector version of a JPG that was uploaded to Pixabay by theasad121
Source Firkin
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Original minus the background
Source Firkin
Remixed from a drawing in 'Incidents on a Journey through Nubia to Darfoor', F. Ensor, 1891.
Source Firkin
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Black And White Floral Pattern Background Inverse
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman