This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
One more sharp little tile for you. Subtle circles this time.
Source Blunia
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
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 pattern formed from repeated instances of corner decoration 8. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
The original enhanced with some gradients.
Source Firkin
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Green Web Background, Seamless tile.
Source V. Hartikainen
Prismatic Groovy Concentric Background
Source GDJ
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Prismatic Abstract Background Design
Source GDJ
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
A free green background pattern with a pattern of rhombuses on a seamless texture. Feel free to use it as a tiled background image on your web site.
Source V. Hartikainen
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo