A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Zero CC tileable ground cracked, crackled, texture, made by me.
Source Sojan Janso
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
A seamless pattern formed from a tile made from ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This seamless light brown background texture resembles a wallpaper with vertical stripes. One way to use it is as a tiled background on web sites.
Source V. Hartikainen
Prismatic Groovy Concentric Background 2 No Black
Source GDJ