From an image on opengameart.org shared by rubberduck.
Source Firkin
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
ZeroCC tileabel stone granite texture, edited from pixabay. CC0
Source Sojan Janso
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Abstract Tiled Background Extended 11
Source GDJ
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
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
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman