The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
ZeroCC tileable beechwood wood texture, generated in Neo Texture Edit by me. CC0
Source Sojan Janso
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Hexagonalism Pattern No Background
Source GDJ
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
8 by 8 pixels, and just what the title says.
Source pixilated
Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
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
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
Element of beach pattern with background.
Source Rones
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ