Background pattern 272 (colour 3) #2055
Red CC 0A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More Textures
“Transparent” Background Pattern #493
Light CC 0An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Wood Background Pattern #882
Wood CC BY-SA 3.0A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
Vichy #71
Light CC BY-SA 3.0This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Argyle #643
Dark CC BY-SA 3.0Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
"Black Stripes", Background Pattern #966
Stripes CC BY-SA 3.0A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Dark Wall #1253
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Small Steps #1312
Light CC BY-SA 3.0This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
Gray Lines@2X #914
Light CC BY-SA 3.0Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Background pattern black and white #2030
Dark CC 0A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Subtle Dark Vertical #607
Dark CC BY-SA 3.0Classic vertical lines, in all its subtlety.
Source Cody L
Background Patterns Lazuli #253
Fabric CC 0If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Background pattern 225 #2327
Colorful CC 0Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Background pattern 308 (colour 2) #1871
Green CC 0Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Background pattern 336 (colour 3) #1719
Blue CC 0Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Background pattern 308 (colour 3) #1870
Colorful CC 0Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Prismatic Groovy Concentric Background@2X #450
Noise CC 0Prismatic Groovy Concentric Background
Source GDJ
Prismatic Snowflakes Pattern 3 No Background@2X #781
Light CC 0Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Square ornament 27 #2523
Dark CC 0Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin