Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
The image depicts a seamless pattern of pine tree leaves.
Source Yamachem
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
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
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
This is a hot one. Small, sharp and unique.
Source GraphicsWall
An abstract web texture of a polished blue stone (or does it look more like ice).
Source V. Hartikainen
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Lovely pattern with some good-looking non-random noise lines.
Source Zucx