From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
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
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Vector version of a JPG that was uploaded to Pixabay by theasad121
Source Firkin
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
An aged paper background tile with smeared and pressed text.
Source V. Hartikainen
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
8 by 8 pixels, and just what the title says.
Source pixilated
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
A textured orange background pattern with vertical stripes.
Source V. Hartikainen
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
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
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin