Background pattern 19 (black) #203
Dark CC 0A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
More Textures
Background pattern 339 #1709
Dark CC 0The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Decorative divider 229 #2151
Dark CC 0From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Prismatic Abstract Geometric Background 4 #271
Noise CC 0Prismatic Abstract Geometric Background 4
Source GDJ
Seamless Marble Like Texture (Light Blue) #1033
Stone CC BY-SA 3.0A seamless marble-like texture colored in light blue.
Source V. Hartikainen
GPlay #735
Light CC BY-SA 3.0A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Notebook #1178
Gray CC BY-SA 3.0This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Dark Well #1259
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
plant pattern 02 remix #2500
Unknow CC 0This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
White Wall 3@2X #1149
Wall CC BY-SA 3.0This one needs to be used in small areas; you can see it repeat.
Source Luca
The Black Mamba@2X #770
Dark CC BY-SA 3.0Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
Background pattern 224 (colour 5) #2338
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Polyskelion Pattern No Background@2X #800
Light CC 0Prismatic Polyskelion Pattern No Background
Source GDJ
Floral background #1973
Dark CC 0Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Prismatic Polka Dots Mark II No Background #530
Noise CC 0Prismatic Polka Dots Mark II No Background
Source GDJ
Background pattern 315 #1845
Blue CC 0The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Red Gemstone Tiles #1223
Red CC BY-SA 3.0This tiled background comes in red and consists of tiles that look like gemstones. It is more for blogs or social profiles, I think.
Source V. Hartikainen
Block Well #1698
Colorful CC 0Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Textured Red Brown Plastic #878
Wood CC BY-SA 3.0Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
Gun Metal #360
Dark CC BY-SA 3.0With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Background pattern 251 #2167
Dark CC 0To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Light Orange Brown Wallpaper #911
Stripes CC BY-SA 3.0A free light orange brown wallpaper with vertical stripes designed for use as a tiled background on websites. An yet another background pattern with vertical stripes.
Source V. Hartikainen
Dark Stripes #39
Dark CC BY-SA 3.0Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Psychedelic Geometric Background No Black #382
Noise CC 0Psychedelic Geometric Background No Black
Source GDJ
Background pattern 229 #2305
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin