Zero CC asphalt, pavement, texture, photographed and made by me. CC0 WARNING I FOUND A SEAM ON THIS TEXTURE
Source Sojan Janso
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
A version without colours blended together to give a different look.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Old China with a modern twist, take two.
Source Adam Charlts
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
A free seamless background with pink spots.
Source V. Hartikainen
Abstract Tiled Background Extended 8
Source GDJ
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Alternative colour scheme for the original floral pattern.
Source Firkin
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn