Background pattern 112 #263
Fabric CC 0A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.
Source Firkin
More Textures
Background pattern 41 #262
Fabric CC 0A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
Background pattern 213 (colour) #2411
Colorful CC 0A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. A version of the original with random colors.
Source Firkin
Textured Paper Background (Vanilla Yellow) #1219
Yellow CC BY-SA 3.0Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
"Beige Wall", Tileable Background #1189
Concrete CC BY-SA 3.0This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
Decorative divider 293 #1752
Dark CC 0From a drawing in 'An Old Maid's Love. A Dutch tale told in English', Maarten Maartens, 1891.
Source Firkin
Bright Squares@2X #88
Light CC BY-SA 3.0It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
"Dirty Paper", Seamless Background #1059
Paper CC BY-SA 3.0A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
Prismatic Groovy Concentric Background No Black@2X #452
Noise CC 0Prismatic Groovy Concentric Background No Black
Source GDJ
Prismatic Abstract Line Art Pattern Background 2@2X #568
Dark CC 0Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Perforated White Leather@2X #636
Light CC BY-SA 3.0A bit of scratched up grayness. Always good.
Source Dmitry
Background pattern 228 #2308
Colorful CC 0Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Prismatic Curved Diamond Pattern 3 No Background@2X #540
Diamond CC 0Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
Decorative divider 205 #2381
Dark CC 0Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Fake Luxury@2X #622
Diamond CC BY-SA 3.0Fake or not, it’s quite luxurious.
Source Factorio.us Collective
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
Concrete Wall 2@2X #80
Wall CC BY-SA 3.0A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Fabric pattern 2 (colour 4) #2393
Fabric CC 0Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that 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
Dark Denim 3@2X #596
Dark CC BY-SA 3.0This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Prismatic Hypnotic Pattern No Background #571
Noise CC 0Prismatic Hypnotic Pattern No Background
Source GDJ
Gun Metal #360
Dark CC BY-SA 3.0With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Well #1261
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso