A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
The image depicts a seamless pattern which includes hexagonally-aligned gourds with BG in light-brown.
Source Yamachem
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Alternative colour scheme. 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
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
An alternative colour scheme for the original background.
Source Firkin
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin