The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Sometimes you just need the simplest thing.
Source Fabricio
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A cute x, if you need that sort of thing.
Source Juan Scrocchi
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Alternative colour scheme for the original floral pattern.
Source Firkin
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Uses spirals from Pixabay. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin