Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
Might not be super subtle, but quite original in its form.
Source Alex Smith
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
Colourful background achieved with gradient fills.
Source Firkin
Almost like little fish shells, or dragon skin.
Source Graphiste
To celebrate the new feature, we need some sparkling diamonds.
Source Atle Mo
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars