Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
Vector version of a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren