Background pattern 259 (colour 4) #2131
Green CC 0Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More Textures
Prismatic Abstract Line Art Pattern Background@2X #566
Dark CC 0Prismatic Abstract Line Art Pattern Background
Source GDJ
Prismatic Abstract Geometric Background 4 No Black@2X #443
Dark CC 0Prismatic Abstract Geometric Background 4
Source GDJ
Subtle White Feathers #1103
Light CC BY-SA 3.0This one is amazing, truly original. Go use it!
Source Viahorizon
fishnet seamless pattern #2483
Grid CC 0The image is a seamless pattern of a fishnet.
Source Yamachem
Prismatic Curved Diamond Pattern 6 No Background@2X #546
Dark CC 0Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Leafy pattern 9 #1802
Green CC 0Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Tree and bird pattern #1983
Dark CC 0From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Decorative divider 191 #2515
Dark CC 0From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Soft Wallpaper@2X #96
Wall CC BY-SA 3.0Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
"Seamless Bark", Website Background. #879
Wood CC BY-SA 3.0This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
Background pattern 248 (colour) #2180
Yellow CC 0To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Teal Circle Pattern Scrapbook Paper #144
Noise CC BY-SA 3.0Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
Pink Clouds Background #1230
Pink CC BY-SA 3.0Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
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
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
Rough Concrete Surface #1195
Concrete CC BY-SA 3.0This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Prismatic Groovy Concentric Background No Black@2X #452
Noise CC 0Prismatic Groovy Concentric Background No Black
Source GDJ
Dimension #1173
Light CC BY-SA 3.0Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Grid Me@2X #606
Grid CC BY-SA 3.0Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
"Dark Red Canvas", Seamless Web Texture #1221
Red CC BY-SA 3.0A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Tasky@2X #668
Dark CC BY-SA 3.0Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Polaroid@2X #188
Wall CC BY-SA 3.0Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Wave Grind #1132
Light CC BY-SA 3.0Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Dark Brick Wall@2X #136
Wall CC BY-SA 3.0Black brick wall pattern. Brick your site up!
Source Alex Parker
Prismatic Hypnotic Pattern No Background@2X #572
Noise CC 0Prismatic Hypnotic Pattern No Background
Source GDJ
Brick #1373
Wall CC 0Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett