Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Kaleidoscope Prismatic Abstract No Background
Source GDJ
A 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
A seamless pattern formed from background pattern 102
Source Firkin
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A seamless pattern formed from miutopia mug remixes on a tablecloth.
Source Firkin
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A 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
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A 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
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers