Tessellation 15 #2223
Dark 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
Brick Wall@2X #1147
Wall CC BY-SA 3.0One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Climpek@2X #776
Grid CC BY-SA 3.0Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Background pattern 1 #220
Noise CC 0A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Fence 5 #2574
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Background pattern 315 (colour 5) #1841
Yellow CC 0The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Translucent Fibres #943
Light CC BY-SA 3.0The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
Background pattern 18 #202
Dark CC 0A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Decorative divider 205 #2381
Dark CC 0Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Prismatic Groovy Concentric Background #449
Noise CC 0Prismatic Groovy Concentric Background
Source GDJ
Prismatic Groovy Concentric Background 2 No Black #455
Noise CC 0Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Yellow Wood Planks Background #876
Wood CC BY-SA 3.0This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
Subtle Carbon@2X #950
Dark CC BY-SA 3.0There are many carbon patterns, but this one is tiny.
Source Designova
GPlay #735
Light CC BY-SA 3.0A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Snow@2X #628
Wall CC BY-SA 3.0Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
Brick Wall@ #1275
Wall CC 0Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
Black And White Floral Pattern Background Inverse #196
Dark CC 0Black And White Floral Pattern Background Inverse
Source GDJ
Decorative divider 299 #1743
Dark CC 0From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
Skin Side Up #847
Light CC BY-SA 3.0White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Cardboard Flat #961
Gray CC BY-SA 3.0Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Floral design 99 #1776
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Green Cup #1211
Unknow CC BY-SA 3.0I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
Green Fibers@2X #92
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua