Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Actually remixed from a pattern on Pixabay. But then noticed a very similar one on Openclipart.org uploaded by btj51q2.
Source Firkin
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).
Source V. Hartikainen
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
This was formed by distorting an image of a background on Pixabay.
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Retro Circles Background 5 No Black
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa