A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Retro Circles Background 7 No Black
Source GDJ
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
A repeating graphic with ancient pattern. I came up with this name/title at last minute, so you may find that there is very little of ancientness in this pattern after all.
Source V. Hartikainen
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
An alternative colour scheme to the original seamless pattern.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless background of warped stripes on paper.
Source V. Hartikainen
Original seamless pattern with an Inkscape filter.
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
This is the remix of "blue wave-seigaiha".This is the flowers of pink silk tree which is called "nemuno-ki".About pink silk tree ,refer to here:https://jp.pinterest.com/pin/500744052301210439/
Source Yamachem
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