Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Background formed from the original with an emboss effect
Source GDJ
From a drawing in 'Hundert Jahre in Wort und Bild', S. Stefan, 1899.
Source Firkin
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
Inspired by an image that was uploaded to Pixabay by geralt
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
A white version of the very popular linen pattern.
Source Ant Ekşiler
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
An alternative colour scheme to the original seamless pattern.
Source Firkin
Colour version of the original pattern.
Source Firkin
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle