Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
A floral background formed from numerous clones of flower 117.
Source Firkin
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
This could be a hippy vintage wallpaper.
Source Tileable Patterns
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin