Sharp pixel pattern, just like the good old days.
Source Paridhi
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Prismatic Groovy Concentric Background 3
Source GDJ
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Remixed from an image on Pixabay, the original having been uploaded by darkmoon1968.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Prismatic Abstract Geometric Background 4
Source GDJ
ZeroCC tileabel stone granite texture, edited from pixabay. CC0
Source Sojan Janso
From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin
Zero CC tileable ground cracked, crackled, texture, made by me.
Source Sojan Janso
This one is amazing, truly original. Go use it!
Source Viahorizon
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat