A bit strange this one, but nice at the same time.
Source Diogo Silva
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
White little knobs, coming in at 10x10px. Sweet!
Source Amos
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
A comeback for you: the popular Escheresque, now in black.
Source Patten
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins