From a drawing in 'Friend or Fortune? The story of a strange year', Robert Overton, 1897.
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Prismatic Groovy Concentric Background No Black
Source GDJ
This background image has seamless texture that resembles a surface of gray stone.
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
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
A new one called white wall, not by me this time.
Source Yuji Honzawa
An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Sharp pixel pattern, just like the good old days.
Source Paridhi
The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Classic vertical lines, in all its subtlety.
Source Cody L
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
A free seamless background with pink spots.
Source V. Hartikainen