The classic notebook paper with horizontal stripes.
Source Are Sundnes
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
A black tile-able background with paper-like texture.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
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
A nice looking light gray background pattern with diagonal stripes.
Source V. Hartikainen
From a drawing in 'La Principauté de Liège et les Pays-Bas au XVIe siècle', Société des Bibliophiles Liégeois ,1887.
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.
Source V. Hartikainen
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Prismatic Abstract Line Art Pattern Background
Source GDJ
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo