Wavy background #2018
Colorful CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
More Textures
Nistri@2X #774
Stripes CC BY-SA 3.0No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Dark Denim@2X #373
Dark CC BY-SA 3.0Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Simple Horizontal Light@2X #983
Light CC BY-SA 3.0Sometimes you just need the simplest thing.
Source Fabricio
45-Degree Fabric@2X #2
Fabric CC BY-SA 3.0Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Leafy pattern 4 #1915
Green CC 0Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Decorative divider 185 #2588
Orange CC 0From a drawing in 'Artists and Arabs', Henry Blackburn, 1868.
Source Firkin
Black And White Floral Pattern Background Inverse #197
Dark CC 0Black And White Floral Pattern Background from PDP.
Source GDJ
Background pattern 224 (colour 3) #2340
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Retina Dust@2X #916
Light CC BY-SA 3.0First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
Background pattern 269 #2062
Dark CC 0A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Dark Brown Wood Background (Tile-able) #886
Wood CC BY-SA 3.0Tile-able Dark Brown Wood Background. Feel free to use it as a background image in your designs or somewhere on the web. By the way, the color seems to be close to Coffee Brown.
Source V. Hartikainen
Background pattern #1963
Dark CC 0To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
stone filter pack #154
Stone CC 0This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Real Carbon Fiber@2X #287
Carbon CC BY-SA 3.0Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Background pattern 258 #2135
Dark CC 0Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Grilled Noise #581
Fabric CC BY-SA 3.0You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Paper model of a tetrahedron #139
Unknow CC 0Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Decorative divider 206 #2380
Dark CC 0Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
HIXS Evolution #609
Dark CC BY-SA 3.0Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas