A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Prismatic Polka Dots 3 No Background
Source GDJ
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Continuing the geometric trend, here is one more.
Source Mike Warner
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Prismatic Abstract Background Design No Black
Source GDJ
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin