A comeback for you: the popular Escheresque, now in black.
Source Patten
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
This one needs to be used in small areas; you can see it repeat.
Source Luca
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
This seamless web background texture looks like gray stone. It's great for using as a background image on web pages, or on some of their elements. Anyway, I hope you will find use for it.
Source V. Hartikainen
To get the tile this is formed from select the rectangle in Inkscape and use 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 background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
A simple bump filter made upon request at irc #inkscape at freenode. Made a screen capture of the making here: https://youtu.be/TGAWYKVLxQw
Source Lazur URH
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
The image depicts polka dot seamless pattern.
Source Yamachem
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
This is a remix of "flower seamless pattern".I rotated the original image by 90 degrees.This is a seamless pattern of flowers.These horizontal wavy lines are one of Edo patterns which is called "tatewaku or tachiwaku or 立湧" that represents uprising steam or vapor.
Source Yamachem
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
A free pink background pattern.
Source V. Hartikainen
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac