I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
A bit strange this one, but nice at the same time.
Source Diogo Silva
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Polka Dots Mark II No Background
Source GDJ
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
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
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Black brick wall pattern. Brick your site up!
Source Alex Parker
Kaleidoscope Prismatic Abstract No Background
Source GDJ
A seamlessly tile-able grunge background image.
Source V. Hartikainen
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Sharp but soft triangles in light shades of gray.
Source Pixeden
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
A free background pattern with abstract green tiles.
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin