A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A textured blue background pattern with vertical stripes.
Source V. Hartikainen
Retro Circles Background 4 No Black
Source GDJ
Continuing the geometric trend, here is one more.
Source Mike Warner
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
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
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau