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
Triangles@2X #744
Grid CC BY-SA 3.0Sharp but soft triangles in light shades of gray.
Source Pixeden
Prismatic Geometric Tessellation Pattern 2 No Background@2X #554
Noise CC 0Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Pine Bark #1276
Wall CC 0Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
Fence 6 #2575
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Seamless tile 4 #1812
Red CC 0Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
Subtle Grey@2X #956
Light CC BY-SA 3.0The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
HIXS Evolution@2X #610
Dark CC BY-SA 3.0Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Seamless Prismatic Pythagorean Line Art Pattern No Background@2X #570
Light CC 0Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Light Aluminum@2X #305
Wall CC BY-SA 3.0Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Black Linen #63
Dark CC BY-SA 3.0In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Overlapped wood #2567
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Background pattern 250 (colour 4) #2168
Blue CC 0To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Green Fibers #91
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Prismatic Polyskelion Pattern No Background #394
Light CC 0Prismatic Polyskelion Pattern No Background
Source GDJ
Fall Leaves #243
Fabric CC 0Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
Japanese family crest called chidori 02 #2440
Brown CC 0The 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
Hexellence #705
Light CC BY-SA 3.0Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
“Transparent” Background Pattern #493
Light CC 0An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Background pattern pink and colours #2032
Colorful CC 0A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin