A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This is the remix of "Strawberry Pattern Background" uploaded by "GDJ". Thanks. I realigned strawberries so as to get seamless and changed the BG color.
Source Yamachem
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Element of beach pattern with background.
Source Rones
This was formed by distorting an image of a background on Pixabay.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen