The classic notebook paper with horizontal stripes.
Source Are Sundnes
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
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
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
This was formed by distorting an image of a background on Pixabay.
Source Firkin
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
A seamless stone-like background for blogs or any other type of websites.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
A brown seamless wood texture in a form of stripe pattern. The result has turned out pretty well, in my opinion.
Source V. Hartikainen
A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
There are many carbon patterns, but this one is tiny.
Source Designova
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
This background has abstract texture with some similarities to wood.
Source V. Hartikainen
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
Here's a dark background pattern that contains a steel grid pattern as a texture. Use it as a website background or for other purposes. It's free!
Source V. Hartikainen