A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
This seamless light brown background texture resembles a wallpaper with vertical stripes. One way to use it is as a tiled background on web sites.
Source V. Hartikainen
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
Looks like an old wall. I guess that’s it then?
Source Viahorizon
It’s big, it’s gradient—and it’s square.
Source Brankic1979
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Here's a dark background pattern that contains a steel grid pattern as a texture. Use it as a website background or for other purposes. It's free!
Source V. Hartikainen
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
Black And White Floral Pattern Background Inverse
Source GDJ
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran