Zero CC tileable ground (#2) cracked, crackled texture, made by me. CC0
Source Sojan Janso
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Kaleidoscope Prismatic Abstract No Background
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Zero CC asphalt, pavement, texture, photographed and made by me. CC0 WARNING I FOUND A SEAM ON THIS TEXTURE
Source Sojan Janso
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
The image depicts a Japanese Edo pattern called "kanoko or 鹿の子" meaning "fawn" which has a fur with small white spots.
Source Yamachem
Remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki