Tileable Off-white Background #1191
Concrete CC BY-SA 3.0A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
More Textures
Gray Lines@2X #914
Light CC BY-SA 3.0Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Aged Grid Paper Background #1072
Paper CC BY-SA 3.0A seamless web background with texture of aged grid paper.
Source V. Hartikainen
Subtle Website Background #1022
Stone CC BY-SA 3.0Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
White Paperboard@2X #375
Fabric CC BY-SA 3.0Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Satin Weave #1044
Light CC BY-SA 3.0Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
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
Dark Tile-able Grunge Texture #1123
Grunge CC BY-SA 3.0Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
"Gold Buttons", Pale Yellow BG Pattern #1215
Yellow CC BY-SA 3.0This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
Prismatic Groovy Concentric Background 3 #457
Noise CC 0Prismatic Groovy Concentric Background 3
Source GDJ
Simple Horizontal Light #982
Light CC BY-SA 3.0Sometimes you just need the simplest thing.
Source Fabricio
Tessellation 15 (colour 2) #2221
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
Pattern #1476
Paper CC 0Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
"Dark Red Canvas", Seamless Web Texture@2X #1222
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
Ribbon pattern 2 (version 2, colour 4) #2036
Colorful CC 0The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Background pattern purple #1946
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background pattern 225 (colour 6) #2322
Brown CC 0Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Textured Paper@2X #1131
Paper CC BY-SA 3.0You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
Tasky #667
Dark CC BY-SA 3.0Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
HIXS Evolution #609
Dark CC BY-SA 3.0Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas