This one is quite simple in design, it consists of vertical stripes layered on top of a seamless texture.
Source V. Hartikainen
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
This is the remix of "Tileable Wave Pattern 2" uploaded by "Arvin61r58".Thanks.I added a wire-mesh fence seamless pattern as a lower layer.
Source Yamachem
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Remixed from a drawing in 'Incidents on a Journey through Nubia to Darfoor', F. Ensor, 1891.
Source Firkin
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
Zero CC tileable cork floor, photographed and made by me. CC0
Source Sojan Janso
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless background texture of old cardboard.
Source V. Hartikainen
A lot of people like the icon patterns, so here’s one for your restaurant blog.
Source Andrijana Jarnjak
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock