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
Remixed from a vector adapted from a jpg on Pixabay. The tile this is constructed from can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Abstract Geometric Background 2
Source GDJ
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
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
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Prismatic Geometric Pattern Background 2 No Black
Source GDJ
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso