Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Prismatic Abstract Geometric Background 3
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A blue gray fabric-like texture for websites. An yet another fabric-like texture. It has subtle vertical and diagonal stripes to it.
Source V. Hartikainen
Prismatic Curved Diamond Pattern No Background
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin