Sometimes you just need the simplest thing.
Source Fabricio
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Element of beach pattern with background.
Source Rones
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Feel free to use this seamless background texture as a background on a web site. It's colored in a light pink color and is seamlessly tile-able.
Source V. Hartikainen
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
Sharp pixel pattern, just like the good old days.
Source Paridhi
Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen