CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern formed from a square tile based on a jpg on Pixabay. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Colour version of the original seamless pattern.
Source Firkin
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
Seamless pattern formed from a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
"Beige Stone", Tileable Texture.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
The image is a seamless pattern of a fishnet.
Source Yamachem
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
A new one called white wall, not by me this time.
Source Yuji Honzawa