Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Prismatic Geometric Pattern Background 2
Source GDJ
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Retro Circles Background 7 No Black
Source GDJ
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Gold Triangular Seamless Pattern No Background
Source GDJ
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Here's a new gray "fabric" pattern. Use it as backgrounds for websites or for other purposes.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Prismatic Hexagonalism Pattern No Background
Source GDJ
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan