Sort of reminds me of those old house wallpapers.
Source Tish
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Prismatic Abstract Background Design No Black
Source GDJ
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
White circles connecting on a light gray background.
Source Mark Collins
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.
Source V. Hartikainen
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
A new one called white wall, not by me this time.
Source Yuji Honzawa
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A blue background wallpaper for websites. It has a seamless texture with vertical stripes. It looks quite nice not only when using as a tiled background on websites, but also on computer desktops.
Source V. Hartikainen
Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen