Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Seamless Green Tile Background
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The image depicts a seamless pattern of a snow crystal.I referred to a book called ”sekka-zusetsu” or "雪華図説" which means an illustrated explanation about snow crystals.This book was published in 1832 (天保3年) or Edo period.For more about "雪華図説",see here:dl.ndl.go.jp/info:ndljp/pid/2536975
Source Yamachem
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
Seamless Olive Green Web Background Image
Source V. Hartikainen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Hexagonalism Pattern No Background
Source GDJ
A seamless pattern formed from a tile made from ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ