Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
Prismatic Geometric Pattern Background
Source GDJ
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Use shift+alt+i on the selected rectangle in Inkscape to get the tile this is based on
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Here's a new background image for websites with a seamless pink texture. It should look beautiful with website themes where light pink background is needed. The background is seamless, therefore it should be used as a tiled background.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin