The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
One week and it's Easter already. Thought I would revisit the decorated egg contest at inkscape community: http://forum.inkscapecommunity.com/index.php?topic=118.0
Source Lazur URH
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Prismatic Groovy Concentric Background 3
Source GDJ
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Classic 45-degree pattern, light version.
Source Luke McDonald
From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
Prismatic Curved Diamond Pattern No Background
Source GDJ
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry