A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Here's a quite bright pink background pattern for use on websites. It doesn't look like a real fur, but it definitely resembles one.
Source V. Hartikainen
Prismatic Polka Dots Mark II No Background
Source GDJ
A lot of people like the icon patterns, so here’s one for your restaurant blog.
Source Andrijana Jarnjak
Sort of reminds me of those old house wallpapers.
Source Tish
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
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 seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
An aged paper background tile with smeared and pressed text.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
An alternative colour scheme to the original seamless pattern.
Source Firkin
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
An alternative colour scheme to the original seamless pattern.
Source Firkin