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
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
A rusty grunge background for websites. Feel free to use it in your site's theme.
Source V. Hartikainen
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A seamless texture of worn out "cardboard".
Source V. Hartikainen
This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
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
Sort of reminds me of those old house wallpapers.
Source Tish
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
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
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Abstract Tiled Background Extended 11
Source GDJ
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin