Background pattern 251 (colour 4) #2164
Blue CC 0To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
More Textures
fawn spot pattern #2472
Dark CC 0The image depicts a Japanese Edo pattern called "kanoko or 鹿の子" meaning "fawn" which has a fur with small white spots.
Source Yamachem
Abstract Water Texture (Seamless) #890
Water CC BY-SA 3.0An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Diamond pattern 2 (colour 5) #2264
Blue CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Burried@2X #832
Dark CC BY-SA 3.0Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
Worn Dots@2X #710
Fabric CC BY-SA 3.0These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Fabric of Squares@2X #1096
Light CC BY-SA 3.0As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Rice Paper #3@2X #1188
Paper CC BY-SA 3.0Oh yes, it happened! A pattern in full color.
Source Atle Mo
Background pattern 215 (colour 2) #2370
Blue CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Decorative divider 229 #2151
Dark CC 0From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Background pattern 226 (colour 2) #2320
Green CC 0A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Diagonal Striped Brick@2X #680
Stripes CC BY-SA 3.0Might not be super subtle, but quite original in its form.
Source Alex Smith
Bamboo Background Pattern #1330
Green CC BY-SA 3.0This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
Flying swan pattern #1978
Blue CC 0Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Floral design 88 #1876
Dark CC 0From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Little Triangles@2X #688
Light CC BY-SA 3.0The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Booze pattern #1727
Noise CC 0The tile this is based on was adapted from an image that was uploaded to Pixabay by frolicsomepl. It can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Background pattern 331 (version 2) #1745
Pink CC 0Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
Brick Wall@2X #1147
Wall CC BY-SA 3.0One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Prismatic Snowflakes Pattern 2 No Background #412
Light CC 0Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Tessellation 15 (colour 3) #2220
Red CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
P5 #1113
Light CC BY-SA 3.0Number five from the same submitter, makes my job easy.
Source Dima Shiper