Sometimes you just need the simplest thing.
Source Fabricio
The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
A browner version of the original weathered fence texture.
Source Firkin
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.
Source Yamachem
Seamless Light Background Texture.
Source V. Hartikainen
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
8 by 8 pixels, and just what the title says.
Source pixilated
A dark metal plate with an embossed grid pattern and a bit of rust. Here's a dark metal plate texture for use as a tiled background on web pages.
Source V. Hartikainen
Dark blue concrete wall with some small dust spots.
Source Atle Mo
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Seamless pattern inspired by a drawing on Pixabay. To get the tile this is formed from, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
Prismatic Snowflakes Pattern 3 No Background
Source GDJ