The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Prismatic Abstract Line Art Pattern Background
Source GDJ
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
This could be a hippy vintage wallpaper.
Source Tileable Patterns
This is the remix of "Colorful Floral Pattern Background 3" uploaded by "GDJ". Thanks.
Source Yamachem
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
This tiled background comes in red and consists of tiles that look like gemstones. It is more for blogs or social profiles, I think.
Source V. Hartikainen
Sometimes you just need the simplest thing.
Source Fabricio
The texture of this background image has some similarities with leather, and it's colored in a dark brown color. So, if you are looking for a dark brown background image for your website, this may be an option for you.
Source V. Hartikainen
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
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
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin