Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
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 one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Prismatic Abstract Geometric Background 5
Source GDJ
A repeating graphic with ancient pattern. I came up with this name/title at last minute, so you may find that there is very little of ancientness in this pattern after all.
Source V. Hartikainen
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
From an image on opengameart.org shared by rubberduck.
Source Firkin
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
White handmade paper pattern with small bumps.
Source Marquis
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin