You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Original seamless pattern with an Inkscape filter.
Source Firkin
A background pattern with wavy green vertical stripes. This one has green stripes on a white background. Download if you like it.
Source V. Hartikainen
Seamless Light Background Texture.
Source V. Hartikainen
From an image on opengameart.org shared by rubberduck.
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Remixed from a vector adapted from a jpg on Pixabay. The tile this is constructed from can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
ZeroCC tileable beechwood wood texture, generated in Neo Texture Edit by me. CC0
Source Sojan Janso
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
A free seamless background pattern for use on websites.
Source V. Hartikainen
Remixed from a drawing in 'An Index to Deering's Nottinghamia Vetus et Nova', Rupert Chicken, 1899. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin