Dark Brick Pattern #1032
Stone CC BY-SA 3.0A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
More Textures
White tiles@2X #728
Grid CC BY-SA 3.0A nice and simple white rotated tile pattern.
Source Another One
Handmade Paper@2X #38
Paper CC BY-SA 3.0White handmade paper pattern with small bumps.
Source Marquis
Prismatic Geometric Pattern Background 2 #409
Noise CC 0Prismatic Geometric Pattern Background 2
Source GDJ
Background pattern 315 (colour 2) #1844
Red CC 0The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Decorative divider 216 #2243
Dark CC 0Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
Prismatic Hypnotic Pattern No Background #571
Noise CC 0Prismatic Hypnotic Pattern No Background
Source GDJ
Tiny Grid #891
Light CC BY-SA 3.0You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
Argyle #643
Dark CC BY-SA 3.0Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Background pattern 201 (colour 3) #2493
Grid CC 0A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
"Beige Wall", Tileable Background #1189
Concrete CC BY-SA 3.0This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
"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
Background pattern 230 (colour 2) #2302
Green CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Zig-zag pattern 6 #2413
Grid CC 0A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern No Background #536
Diamond CC 0Prismatic Curved Diamond Pattern No Background
Source GDJ
Green Tiles, Background Pattern #1329
Green CC BY-SA 3.0A free background pattern with abstract green tiles.
Source V. Hartikainen
White Brick Wall@2X #594
Wall CC BY-SA 3.0If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
Cardboard #278
Paper CC BY-SA 3.0A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Light Paper Fibers #835
Paper CC BY-SA 3.0More in the paper realm, this time with fibers.
Source Jorge Fuentes