A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Dark blue concrete wall with some small dust spots.
Source Atle Mo
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin
A floral background formed from numerous clones of flower 117.
Source Firkin
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers