A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
A free background tile with a pattern of pink bump dots. This background tile is sweet! Moreover, it's designed for use as website backgrounds.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
A seamless background of warped stripes on paper.
Source V. Hartikainen
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Continuing the geometric trend, here is one more.
Source Mike Warner
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
This is a hot one. Small, sharp and unique.
Source GraphicsWall
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A heavy hitter at 400x400px, but lovely still.
Source Breezi