Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Prismatic Abstract Geometric Background 3
Source GDJ
Number five from the same submitter, makes my job easy.
Source Dima Shiper
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
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
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin