From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Oh yes, it happened! A pattern in full color.
Source Atle Mo
This was formed by distorting an image of a background on Pixabay.
Source Firkin
The image is a design of blue glass.How about using it as background image?
Source Yamachem
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
White circles connecting on a light gray background.
Source Mark Collins
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
CC0 and seamless wellington boot pattern.
Source SliverKnight