Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
More in the paper realm, this time with fibers.
Source Jorge Fuentes
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Zero CC tileable cork floor, photographed and made by me. CC0
Source Sojan Janso
Seamless Olive Green Web Background Image
Source V. Hartikainen
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ