This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
The original enhanced with some gradients.
Source Firkin
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Retro Circles Background 7 No Black
Source GDJ
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
One more updated pattern. Not really carbon fiber, but it’s the most popular pattern, so I’ll give you an extra choice.
Source Atle Mo
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
From an image on opengameart.org shared by rubberduck.
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso