Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Prismatic Groovy Concentric Background 3
Source GDJ
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Classic vertical lines, in all its subtlety.
Source Cody L
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
You may use it as is, or modify it as you like.
Source V. Hartikainen
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin