CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Colour version of the original pattern.
Source Firkin
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.
Source Firkin
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Prismatic Groovy Concentric Background 4
Source GDJ
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
Prismatic Groovy Concentric Background 3
Source GDJ
Derived from a drawing in 'Historiske Afhandlinger', Adolf Jorgensen, 1898.
Source Firkin
A white version of the very popular linen pattern.
Source Ant Ekşiler
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Here's a new background image for websites with a seamless pink texture. It should look beautiful with website themes where light pink background is needed. The background is seamless, therefore it should be used as a tiled background.
Source V. Hartikainen
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley