Background pattern 229 #2305
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
More Textures
Abstract Tiled Background Extended 12 #523
Noise CC 0Abstract Tiled Background Extended 12
Source GDJ
Hexabump@2X #954
Dark CC BY-SA 3.0Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
60º lines@2X #26
Light CC BY-SA 3.0Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Soft Kill #318
Dark CC BY-SA 3.0Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Floral background 22 (colour) #1779
Green CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
White Brick Wall@2X #594
Wall CC BY-SA 3.0If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
Solid@2X #846
Gray CC BY-SA 3.0A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Absurdity@2X #826
Light CC BY-SA 3.0Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
Knitted Netting #603
Grid CC BY-SA 3.0A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
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
Background pattern 214 (colour 6) #2372
Colorful CC 0A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Wall #1244
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Leafy pattern black #1972
Dark CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Blizzard #663
Paper CC BY-SA 3.0This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Psychedelic Geometric Background No Black #382
Noise CC 0Psychedelic Geometric Background No Black
Source GDJ
Background pattern 117@2X #525
Noise CC 0A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
Tessellation 13 variant 1 #2532
Yellow CC 0Original seamless pattern with an Inkscape filter.
Source Firkin
Floral design #1985
Dark CC 0Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Background pattern 7 (grey) #206
Dark CC 0Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Paper 3@2X #32
Paper CC BY-SA 3.0Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Rough Concrete Surface #1194
Concrete CC BY-SA 3.0A seamless texture of a rough concrete surface.
Source V. Hartikainen