From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
Prismatic Basic Pattern 2 No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin