Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
A green background pattern with warped vertical stripes and a grunge look.
Source V. Hartikainen
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Looks like an old wall. I guess that’s it then?
Source Viahorizon
The name is totally random, but hey, it sounds good.
Source Atle Mo
A seamless stone-like background for blogs or any other type of websites.
Source V. Hartikainen
Alternative colour scheme for the original floral pattern.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa