Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen
Background formed from the original with an emboss effect.
Source Firkin
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Prismatic Groovy Concentric Background 4
Source GDJ
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
There are many carbon patterns, but this one is tiny.
Source Designova
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens