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
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
Zero CC tileable grass texture, photographed and made by me. CC0
Source Sojan Janso
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
The image is a seamless pattern of a fishnet.
Source Yamachem
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
A seamless web background with texture of aged grid paper.
Source V. Hartikainen
Almost like little fish shells, or dragon skin.
Source Graphiste
Prismatic Floral Background No Black
Source GDJ
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin