Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
This is a hot one. Small, sharp and unique.
Source GraphicsWall
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
A background pattern with wavy green vertical stripes. This one has green stripes on a white background. Download if you like it.
Source V. Hartikainen
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
This is the remix of an Openclipart clipart called "Maze" uploaded by "any_ono_mous".Thanks.This is a seamless pattern of a maze.
Source Yamachem
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
This one needs to be used in small areas; you can see it repeat.
Source Luca
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo