Zero CC tileable ground cracked, crackled, texture, made by me.
Source Sojan Janso
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
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
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Black And White Floral Pattern Background from PDP.
Source GDJ
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Looks like an old wall. I guess that’s it then?
Source Viahorizon
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Colour version of the original pattern.
Source Firkin
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Green Background Pattern
Source V. Hartikainen
By popular request, an outline version of the pentagon pattern.
Source Atle Mo