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
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
Prismatic Abstract Background Design
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Tiny circle waves, almost like the ocean.
Source Sagive
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
This seamless light brown background texture resembles a wallpaper with vertical stripes. One way to use it is as a tiled background on web sites.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Here's a new gray "fabric" pattern. Use it as backgrounds for websites or for other purposes.
Source V. Hartikainen
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Embossed lines and squares with subtle highlights.
Source Alex Parker
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen