A comeback for you: the popular Escheresque, now in black.
Source Patten
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Prismatic Floral Background No Black
Source GDJ
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Looks like an old wall. I guess that’s it then?
Source Viahorizon
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A classic dark tile for a bit of vintage darkness.
Source Listvetra
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin