Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
A free light orange brown wallpaper with vertical stripes designed for use as a tiled background on websites. An yet another background pattern with vertical stripes.
Source V. Hartikainen
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin
The texture of this background image has some similarities with leather, and it's colored in a dark brown color. So, if you are looking for a dark brown background image for your website, this may be an option for you.
Source V. Hartikainen
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Colourful background achieved with gradient fills.
Source Firkin
A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Black And White Floral Pattern Background Inverse
Source GDJ
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
Psychedelic Geometric Background No Black
Source GDJ
Prismatic Hexagonalism Pattern No Background
Source GDJ
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
A version without colours blended together to give a different look.
Source Firkin