Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Green Web Background, Seamless tile.
Source V. Hartikainen
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Colour version of the original pattern.
Source Firkin
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
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
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Black & white version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado