A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
You guessed it – looks a bit like cloth.
Source Peax Webdesign
A nice and simple white rotated tile pattern.
Source Another One
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
This is the remix of "Colorful Floral Pattern Background 3" uploaded by "GDJ". Thanks.
Source Yamachem
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Tiny circle waves, almost like the ocean.
Source Sagive
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ