A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Colour version of the original pattern.
Source Firkin
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Seamless Olive Green Web Background Image
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
An alternative colour scheme to the original seamless pattern.
Source Firkin
Prismatic Geometric Pattern Background
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Someone was asking about how to achieve a fur pattern at #inkscape irc so tried to make a filter on it. Flood filled fractal noises rigged together. May someone find a good use for these.
Source Lazur URH