Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Used a cherry by doctormo to make this seamless pattern
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
The name is totally random, but hey, it sounds good.
Source Atle Mo
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
This was formed by distorting an image of a background on Pixabay.
Source Firkin
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
The name is totally random, but hey, it sounds good.
Source Atle Mo
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.
Source V. Hartikainen
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin