Floral patterns will never go out of style, so enjoy this one.
Source Lasma
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
A bit of scratched up grayness. Always good.
Source Dmitry
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
Prismatic Groovy Concentric Background No Black
Source GDJ
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin
You may use it as is, or modify it as you like.
Source V. Hartikainen
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne