You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Spice up your next school project with this icon background.
Source Swetha
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Feel free to download and use it, or see the rest of the dark background patterns that I have made. Anyway, I hope you will find something that you like.
Source V. Hartikainen
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Looks like an old rug or a computer chip.
Source Patutin Sergey
Background formed from the original with an emboss effect
Source GDJ
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Inspired by a pattern found in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Sort of reminds me of those old house wallpapers.
Source Tish
Abstract Tiled Background Extended 12
Source GDJ
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo