This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
A cute x, if you need that sort of thing.
Source Juan Scrocchi
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Colour version of the original pattern.
Source Firkin
A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen