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
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
A blue background wallpaper for websites. It has a seamless texture with vertical stripes. It looks quite nice not only when using as a tiled background on websites, but also on computer desktops.
Source V. Hartikainen
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Prismatic Groovy Concentric Background
Source GDJ
Prismatic Groovy Concentric Background
Source GDJ
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers