Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
Black And White Floral Pattern Background Inverse
Source GDJ
Prismatic Abstract Line Art Pattern Background
Source GDJ
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
Alternative colour scheme for the original floral pattern.
Source Firkin
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Tiny circle waves, almost like the ocean.
Source Sagive
A seamless texture of a rough concrete surface.
Source V. Hartikainen
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin