Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Prismatic Abstract Geometric Background 4
Source GDJ
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Floral Background No Black
Source GDJ
Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
A textured orange background pattern with vertical stripes.
Source V. Hartikainen
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
You guessed it – looks a bit like cloth.
Source Peax Webdesign
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A simple bump filter made upon request at irc #inkscape at freenode. Made a screen capture of the making here: https://youtu.be/TGAWYKVLxQw
Source Lazur URH
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin