It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
Alternative colour scheme to the original.
Source Firkin
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
The base gradient edited so now more details are rendered.
Source Lazur URH
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Prismatic Abstract Geometric Background 5
Source GDJ
This one is amazing, truly original. Go use it!
Source Viahorizon
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
Retro Circles Background 8 No Black
Source GDJ
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Seamless pattern the basic tile for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin