Background pattern 264 #2071
Orange CC 0The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
More Textures
Background pattern 208 #2465
Grid CC 0A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Subtle Dark Vertical@2X #608
Dark CC BY-SA 3.0Classic vertical lines, in all its subtlety.
Source Cody L
crissXcross #111
Dark CC BY-SA 3.0Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Abstract Geometric Monochrome Pattern Prismatic No Background@2X #809
Noise CC 0Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
"Black Metal Grid", Seamless Background Pattern #1080
Metal CC BY-SA 3.0A free seamless background pattern for use on websites.
Source V. Hartikainen
Skin Side Up@2X #848
Light CC BY-SA 3.0White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Interlocking pattern 3 #2406
Grid CC 0A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
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
Leafy pattern 5 #1854
Dark CC 0Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
Background pattern 19 (outline) #204
Light CC 0A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Pattern #1476
Paper CC 0Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
Floral background 18 #1834
Dark CC 0emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
Seed #1289
Wall CC 0Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
WaveCut #75
Light CC BY-SA 3.0If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Diamond pattern (colour 5) #2281
Red CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Wine waiter pattern #2403
Colorful CC 0A seamless pattern formed from a square tile based on a jpg on Pixabay. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Wide Rectangles #699
Wall CC BY-SA 3.0Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Cross Stripes #47
Dark CC BY-SA 3.0Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Black And White Floral Pattern Background Inverse #197
Dark CC 0Black And White Floral Pattern Background from PDP.
Source GDJ