A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
This is sort of fresh, but still feels a bit old school.
Source Martuchox
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Same classic 45-degree pattern, dark version.
Source Luke McDonald
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin