From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A simple bump filter made upon request at irc #inkscape at freenode. Made a screen capture of the making here: https://youtu.be/TGAWYKVLxQw
Source Lazur URH
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
White circles connecting on a light gray background.
Source Mark Collins
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
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
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
Prismatic Groovy Concentric Background 2
Source GDJ
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8