Tessellation 16 (colour 5) #2211
Yellow CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
More Textures
Subtle Surface #925
Light CC BY-SA 3.0Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
White Paperboard@2X #375
Fabric CC BY-SA 3.0Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Leafy pattern 11 (colour) #1763
Green CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Decking #2585
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Background pattern 308 (colour 5) #1869
Blue CC 0Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Leafy decorative divider #1760
Dark CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Background pattern 264 #2071
Orange CC 0The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Blue #1264
Paper CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Curved Diamond Pattern No Background@2X #537
Diamond CC 0Prismatic Curved Diamond Pattern No Background
Source GDJ
Dark Leather #129
Dark CC BY-SA 3.0You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Gold Scale@2X #285
Light CC BY-SA 3.0More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Spiral pattern 3 #1934
Dark CC 0From a drawing in 'Danmarks Riges Historie af J. Steenstrup, Kr. Erslev, A. Heise, V. Mollerup, J. A. Fridericia, E. Holm, A. D. Jørgensen', 1897.
Source Firkin
French Stucco #697
Paper CC BY-SA 3.0Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Background pattern 239 (colour 2) #2216
Red CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background pattern 320 #1830
Pink CC 0Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Background pattern 240 #2209
Dark CC 0Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
Always Grey #53
Dark CC BY-SA 3.0Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić