A simple bump filter made upon request at irc #inkscape at freenode. Made a screen capture of the making here: https://youtu.be/TGAWYKVLxQw
Source Lazur URH
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
Prismatic Geometric Pattern Background 2 No Black
Source GDJ
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Alternative colour scheme for the original floral pattern.
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
A free background pattern with abstract green tiles.
Source V. Hartikainen
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo