Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
This one has rusty dark brown texture.
Source V. Hartikainen
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
One more sharp little tile for you. Subtle circles this time.
Source Blunia
To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Sort of reminds me of those old house wallpapers.
Source Tish
This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!
Source V. Hartikainen
A seamless design of flowers remixed from a jpg on Pixabay by Prawny.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Prismatic Hypnotic Pattern No Background
Source GDJ