From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Looks like an old rug or a computer chip.
Source Patutin Sergey
Zero CC tileable yellow craft paper; scanned and made by me. CC0
Source Sojan Janso
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
A seamless pattern formed from a square tile based on a jpg on Pixabay. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
This is sort of fresh, but still feels a bit old school.
Source Martuchox
A new take on the black linen pattern. Softer this time.
Source Atle Mo
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin