Cross pattern (negative) #2332
Dark CC 0A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
More Textures
Prismatic Triangular Seamless Pattern III With Background #273
Dark CC 0Prismatic Triangular Seamless Pattern III With Background
Source GDJ
Nami@2X #576
Dark CC BY-SA 3.0Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Decorative divider #1962
Dark CC 0From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
Background pattern 198 (variant 2) #2509
Yellow CC 0A version without colours blended together to give a different look.
Source Firkin
Stardust #1209
Dark CC BY-SA 3.0Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Crossed wood #2583
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Spotty Pink Background (Seamless) #1236
Pink CC BY-SA 3.0A free seamless background with pink spots.
Source V. Hartikainen
Carbon Fiber Big@2X #327
Carbon CC BY-SA 3.0Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Background pattern 234 #2259
Brown CC 0Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Pixel Weave@2X #1155
Unknow CC BY-SA 3.0Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Floral pattern 12 #1766
Dark CC 0Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
Stucco #294
Wall CC BY-SA 3.0A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Decorative divider 192 #2503
Dark CC 0From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
Stressed Linen@2X #987
Dark CC BY-SA 3.0We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Prismatic Chevrons Pattern 5 With Background #469
Dark CC 0Prismatic Chevrons Pattern 5 With Background
Source GDJ
Skewed Print@2X #820
Dark CC BY-SA 3.0An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Wall & Red #1363
Wall CC 0Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Batik Parang Rusak Seamless Pattern(faqeeh)-remix #2450
Dark CC 0As the original image 's page size is too large for its image size, I remixed it.
Source Yamachem
Wavy background #2018
Colorful CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Lined Paper@2X #1035
Light CC BY-SA 3.0I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Background pattern 18 #202
Dark CC 0A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin