CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Zero CC tileable cork floor, photographed and made by me. CC0
Source Sojan Janso
A nice and simple white rotated tile pattern.
Source Another One
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
A new take on the black linen pattern. Softer this time.
Source Atle Mo
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
A repeating background with wood/straw like texture.
Source V. Hartikainen