Sometimes you just need the simplest thing.
Source Fabricio
White circles connecting on a light gray background.
Source Mark Collins
Prismatic Groovy Concentric Background No Black
Source GDJ
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Alternative colour scheme for the original floral pattern.
Source Firkin
A seamless textured paper for backgrounds. Colored in pale orange hues.
Source V. Hartikainen
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
An alternative colour scheme to the original seamless pattern.
Source Firkin
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
Prismatic Abstract Line Art Pattern Background
Source GDJ
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Zero CC tileable hard cover cells book texture, 4k, scanned and made by me. CC0
Source Sojan Janso
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek