From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
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
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
Seamless pattern made from a tile that can be obtained in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Zero CC asphalt, pavement, texture, photographed and made by me. CC0 WARNING I FOUND A SEAM ON THIS TEXTURE
Source Sojan Janso
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Seamless Green Tile Background
Source V. Hartikainen
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß