An aged paper background tile with smeared and pressed text.
Source V. Hartikainen
This one needs to be used in small areas; you can see it repeat.
Source Luca
A seamless paper background colored in pale yellow.
Source V. Hartikainen
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Abstract Line Art Pattern Background
Source GDJ
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Alternative colour scheme for the original floral pattern.
Source Firkin
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
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Prismatic Abstract Geometric Background 5
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Abstract Tiled Background Extended 6
Source GDJ
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
A seamless background texture of old cardboard.
Source V. Hartikainen
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady