A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Prismatic Curved Diamond Pattern No Background
Source GDJ
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
Might not be super subtle, but quite original in its form.
Source Alex Smith
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
Prismatic Curved Diamond Pattern No Background
Source GDJ
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
Looks like an old rug or a computer chip.
Source Patutin Sergey
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
A bit of scratched up grayness. Always good.
Source Dmitry
Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:https://jp.pinterest.com/pin/500744052301423641/
Source Yamachem
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso