From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
Zero CC tileable hard cover red book, scanned and made by me. CC0
Source Sojan Janso
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Colour version of the original seamless pattern.
Source Firkin
Fix side and a seamless pattern formed from circles.
Source SliverKnight
Geometric triangles seem to be quite hot these days.
Source Pixeden
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf