A seamless design of flowers remixed from a jpg on Pixabay by Prawny.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
A new one called white wall, not by me this time.
Source Yuji Honzawa
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
A browner version of the original weathered fence texture.
Source Firkin
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ