If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ
A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.
Source V. Hartikainen
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
A new one called white wall, not by me this time.
Source Yuji Honzawa
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
A nice and simple white rotated tile pattern.
Source Another One
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ