Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica