Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A green background pattern with warped vertical stripes and a grunge look.
Source V. Hartikainen
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
An abstract web texture of a polished blue stone (or does it look more like ice).
Source V. Hartikainen
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
Abstract Tiled Background Extended 10
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
More in the paper realm, this time with fibers.
Source Jorge Fuentes
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin
Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.
Source Firkin
Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Inspired by a pattern found in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
The original enhanced with some gradients.
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin