You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Abstract Geometric Background 2
Source GDJ
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ
A comeback for you: the popular Escheresque, now in black.
Source Patten
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Spice up your next school project with this icon background.
Source Swetha
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Colour version of the original pattern.
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso