White little knobs, coming in at 10x10px. Sweet!
Source Amos
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Prismatic Triangular Background Design Mark II 5
Source GDJ
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
A free seamless background pattern for use on websites.
Source V. Hartikainen
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Zero CC tileable hard cover red book, scanned and made by me. CC0
Source Sojan Janso
Neat little photography icon pattern.
Source Hossam Elbialy
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin