A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
Background formed from the original with an emboss effect
Source GDJ
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
A white version of the very popular linen pattern.
Source Ant Ekşiler
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
Alternative colour scheme for the original floral pattern.
Source Firkin
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek