This is a hot one. Small, sharp and unique.
Source GraphicsWall
Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.
Source Firkin
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by Osckar
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
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin