Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
Zero CC tileable grass texture, photographed and made by me. CC0
Source Sojan Janso
A green background pattern with warped vertical stripes and a grunge look.
Source V. Hartikainen
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Colour version of the original seamless pattern.
Source Firkin
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Seamless Green Tile Background
Source V. Hartikainen
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
A free light orange brown wallpaper with vertical stripes designed for use as a tiled background on websites. An yet another background pattern with vertical stripes.
Source V. Hartikainen
Prismatic Abstract Background Design No Black
Source GDJ
Prismatic Groovy Concentric Background 3
Source GDJ
8 by 8 pixels, and just what the title says.
Source pixilated
This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.
Source V. Hartikainen
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo