CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Green Background Pattern
Source V. Hartikainen
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
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
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin