A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
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 classic dark tile for a bit of vintage darkness.
Source Listvetra
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Black brick wall pattern. Brick your site up!
Source Alex Parker
A seamlessly tileable pink background texture.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
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
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
A bit strange this one, but nice at the same time.
Source Diogo Silva
Psychedelic Geometric Background No Black
Source GDJ
A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
Lovely pattern with splattered vintage speckles.
Source David Pomfret
This background texture resembles stone. It may be used as a background on web pages or on some of their html elements (header, borders, menu bar, etc.). Just modify it for your needs.
Source V. Hartikainen
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
More in the paper realm, this time with fibers.
Source Jorge Fuentes