Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
Green Background Pattern
Source V. Hartikainen
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
The image is a design of blue glass.How about using it as background image?
Source Yamachem
Prismatic Abstract Geometric Background 4
Source GDJ
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
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
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
Abstract Tiled Background Extended 12
Source GDJ
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
This one is amazing, truly original. Go use it!
Source Viahorizon
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin