To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Spice up your next school project with this icon background.
Source Swetha
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Prismatic Rounded Squares Grid 3 No Background
Source GDJ