A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
The image depicts the Japanese Edo pattern called "seigaiha" or "青海波" meaning "blue -sea- wave".I hope it's suitable for the summer season.
Source Yamachem
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Tile-able Dark Brown Wood Background. Feel free to use it as a background image in your designs or somewhere on the web. By the way, the color seems to be close to Coffee Brown.
Source V. Hartikainen
Looks like an old rug or a computer chip.
Source Patutin Sergey
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
Remix from a drawing in 'Ostatnie chwile powstania styczniowego', Zygmunt Sulima, 1887.
Source Firkin
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight