If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
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
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
The image is a seamless pattern of a fishnet.
Source Yamachem
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Seamless Olive Green Web Background Image
Source V. Hartikainen
This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.
Source V. Hartikainen
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
One more sharp little tile for you. Subtle circles this time.
Source Blunia
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A textured orange background pattern with vertical stripes.
Source V. Hartikainen
Prismatic Groovy Concentric Background 2 No Black
Source GDJ