The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
A seamlessly tile-able grunge background image.
Source V. Hartikainen
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
This is the remix of "blue wave-seigaiha".The image depicts a seamless pattern of the front upper part of Japanese five yen coin which is used currently.This design represents a rice with ripe golden ears.
Source Yamachem
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin