Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Seamless pattern the basic tile for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
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
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
A seamless background texture of old cardboard.
Source V. Hartikainen
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
A web texture of brown canvas. Will look great, when used in dark web designs.
Source V. Hartikainen
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A white version of the very popular linen pattern.
Source Ant Ekşiler