"Black Metal Grid", Seamless Background Pattern #1080
Metal CC BY-SA 3.0A free seamless background pattern for use on websites.
Source V. Hartikainen
More Textures
Floral tile 4 #1710
Dark CC 0Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Retina Dust@2X #916
Light CC BY-SA 3.0First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
Crisp Paper Ruffles #841
Light CC BY-SA 3.0Sort of reminds me of those old house wallpapers.
Source Tish
Fabric pattern 2 (colour 5) #2392
Fabric CC 0Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
White Sand #19
Light CC BY-SA 3.0Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Wild Oliva@2X #989
Dark CC BY-SA 3.0Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Carpet seamless texture 3 #2553
Wall CC 0From an image on opengameart.org shared by rubberduck.
Source Firkin
White Leather #639
Fabric CC BY-SA 3.0I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Soft Wallpaper@2X #96
Wall CC BY-SA 3.0Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
Ribbon pattern 2 (version 2, colour 4) #2036
Colorful CC 0The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Wood Stripe Pattern #999
Stripes CC BY-SA 3.0A brown seamless wood texture in a form of stripe pattern. The result has turned out pretty well, in my opinion.
Source V. Hartikainen
Dark Mosaic@2X #122
Dark CC BY-SA 3.0Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Fence 5 #2574
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Hexagonalism Pattern No Background@2X #803
Light CC 0Prismatic Hexagonalism Pattern No Background
Source GDJ
GPlay #735
Light CC BY-SA 3.0A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Prismatic Snowflakes Pattern 3 No Background@2X #781
Light CC 0Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Green Fibers@2X #92
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Dark Brown Fabric-Like Texture #963
Stripes CC BY-SA 3.0A seamless striped fabric-like texture colored in a dark reddish brown color.
Source V. Hartikainen
Wide Rectangles #699
Wall CC BY-SA 3.0Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
White Bed Sheet #821
Light CC BY-SA 3.0Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim