White little knobs, coming in at 10x10px. Sweet!
Source Amos
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
To get the tile this is formed from 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
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
Prismatic Groovy Concentric Background
Source GDJ
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
A seamlessly tileable pink background texture.
Source V. Hartikainen
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen