Sometimes you just need the simplest thing.
Source Fabricio
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
The image depicts polka dot seamless pattern.
Source Yamachem
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamless textured paper for backgrounds. Colored in pale orange hues.
Source V. Hartikainen
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Number five from the same submitter, makes my job easy.
Source Dima Shiper
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo