A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
A seamless texture of an abstract wall colored in shades of light orange brown.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Gold Triangular Seamless Pattern No Background
Source GDJ
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
There are many carbon patterns, but this one is tiny.
Source Designova
A web texture of brown canvas. Will look great, when used in dark web designs.
Source V. Hartikainen
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
A new one called white wall, not by me this time.
Source Yuji Honzawa
Prismatic Triangular Background Design Mark II 5
Source GDJ
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin