Cardboard #278
Paper CC BY-SA 3.0A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
More Textures
Feathered #1324
Unknow CC BY-SA 3.0This is sort of fresh, but still feels a bit old school.
Source Martuchox
Stripy checkerboard pattern 2 #1767
Dark CC 0Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Skewed Print #819
Dark CC BY-SA 3.0An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Decorative divider 230 #2150
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
Lego background #2428
Colorful CC 0Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Stripy checkerboard pattern #1768
Dark CC 0Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Groovepaper@2X #578
Paper CC BY-SA 3.0With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Decorative divider #1974
Dark CC 0Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Background pattern 252 (colour 2) #2156
Brown CC 0Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Groovepaper #577
Paper CC BY-SA 3.0With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Background pattern 251 (colour 2) #2166
Yellow CC 0To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Light Wall #1265
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Decorative divider 244 #2080
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Colorful Floral Background 3 No Black@2X #486
Light CC 0Colorful Floral Background 3 No Black
Source GDJ
Paper 1 #15
Paper CC BY-SA 3.0A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Tex2res4 #717
Dark CC BY-SA 3.0Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Mocha Grunge@2X #1100
Gray CC BY-SA 3.0You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Background pattern 259 (colour 6) #2097
Blue CC 0Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin