This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
Continuing the geometric trend, here is one more.
Source Mike Warner
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
A browner version of the original weathered fence texture.
Source Firkin
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
Prismatic Chevrons Pattern 5 With Background
Source GDJ
A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.
Source V. Hartikainen
Prismatic Curved Diamond Pattern No Background
Source GDJ
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
It’s big, it’s gradient—and it’s square.
Source Brankic1979
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo