Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Retro Circles Background 5 No Black
Source GDJ
You know you love wood patterns, so here’s one more.
Source Richard Tabor
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
Inspired by a drawing seen in 'City of Liverpool', James Picton, 1883.
Source Firkin
Seamless Dark Grunge Texture. Here's a new grunge texture for use as a background.
Source V. Hartikainen
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous