Zero CC asphalt, pavement, texture, photographed and made by me. CC0 WARNING I FOUND A SEAM ON THIS TEXTURE
Source Sojan Janso
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Mostly just mucked about with the colours and made one of the paths in the lead frame opaque. The glass remains transparent.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
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