Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
CC0 and seamless wellington boot pattern.
Source SliverKnight
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This is a hot one. Small, sharp and unique.
Source GraphicsWall
Sharp but soft triangles in light shades of gray.
Source Pixeden
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin