Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
This is the remix of "blue wave-seigaiha".This is the flowers of pink silk tree which is called "nemuno-ki".About pink silk tree ,refer to here:https://jp.pinterest.com/pin/500744052301210439/
Source Yamachem
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
This is a seamless pattern of a woody texture.The original image is here:https://pixabay.com/ja/users/ClassicallyPrinted-1302233/
Source Yamachem
Prismatic Abstract Background Design
Source GDJ
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
The image is a design of blue glass.How about using it as background image?
Source Yamachem
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin