Sine wave background #1735
Dark CC 0The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
More Textures
Green Web Background, Seamless tile #1332
Green CC BY-SA 3.0Green Web Background, Seamless tile.
Source V. Hartikainen
Wavy background #2012
Green CC 0A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Tasky #667
Dark CC BY-SA 3.0Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Blizzard #663
Paper CC BY-SA 3.0This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Satin Weave #1044
Light CC BY-SA 3.0Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Black Mamba@2X #58
Dark CC BY-SA 3.0The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Background pattern 225 #2327
Colorful CC 0Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background #384
Noise CC 0Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
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
GPlay #735
Light CC BY-SA 3.0A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Floral design 96 #1789
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Light Blue Background Pattern #1161
Grid CC BY-SA 3.0This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
Rainbow flag pattern #1873
Colorful CC 0The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
Floral pattern 7 (colour 5) #2287
Green CC 0Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Black Mamba #57
Dark CC BY-SA 3.0The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Lined Paper #362
Stripes CC BY-SA 3.0The classic notebook paper with horizontal stripes.
Source Are Sundnes
Metal Background Pattern With Rivets #1085
Metal CC BY-SA 3.0This metal background pattern resembles a metal plate with rivets. Solid rivets on a metal plate.
Source V. Hartikainen
Grunge Wall@2X #82
Wall CC BY-SA 3.0Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Mocha Grunge #1099
Gray CC BY-SA 3.0You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Crow and bird pattern #1965
Dark CC 0CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Seamless 3D Isometric Tessellation Pattern 2 #147
Light CC 0A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ