Dark Geometric #619
Dark CC BY-SA 3.0Continuing the geometric trend, here is one more.
Source Mike Warner
More Textures
Gray Lines #913
Light CC BY-SA 3.0Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Textured Grid Paper #1316
Orange CC BY-SA 3.0A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen
Patterned metal plate 7 #2556
Metal CC 0From an image on opengameart.org shared by rubberduck.
Source Firkin
Retro Circles Background 8 No Black@2X #438
Dark CC 0Retro Circles Background 8 No Black
Source GDJ
Prismatic Abstract Background Design@2X #791
Noise CC 0Prismatic Abstract Background Design
Source GDJ
Prismatic Polka Dots 3 No Background #528
Noise CC 0Prismatic Polka Dots 3 No Background
Source GDJ
Wavy background #2017
Green CC 0A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Background pattern 24 #198
Dark CC 0The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
"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
Floral pattern 13 #1756
Green CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Background pattern 262 #2075
Dark CC 0Inspired by a pattern found in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Background pattern 227 (colour 4) #2311
Green CC 0A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Textured Stripes #867
Stripes CC BY-SA 3.0A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Grass #1286
Unknow CC 0Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
Subtle Surface #925
Light CC BY-SA 3.0Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
"Colorful Stripes", Diagonally Striped Background #903
Stripes CC BY-SA 3.0This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
Epithalamion tailpiece #2527
Dark CC 0From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
HIXS Evolution@2X #610
Dark CC BY-SA 3.0Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Background pattern 200 #2506
Pink CC 0Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Square ornament 41 #2085
Dark CC 0Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Tex2res2@2X #720
Fabric CC BY-SA 3.0Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Small Crosses@2X #116
Stripes CC BY-SA 3.0Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Gloomy Stripes #994
Stripes CC BY-SA 3.0A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen