Zero CC tileable cork floor, photographed and made by me. CC0
Source Sojan Janso
The image depicts a seamless pattern which includes hexagonally-aligned gourds with BG in light-brown.
Source Yamachem
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Prismatic Groovy Concentric Background
Source GDJ
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Remixed from a drawing in 'Очерки Русской Исторіи въ памятникахъ быта', Petr Polevoi, 1879.
Source Firkin
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
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