A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Remixed from an image on Pixabay, the original having been uploaded by darkmoon1968.
Source Firkin
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
This is sort of fresh, but still feels a bit old school.
Source Martuchox
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin
The tile can be had by selecting the rectangle in Inkscape and using shift+alt+i. Remixed from a drawing in 'Flowers of Song', Frederick Weatherly, 1895.
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
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
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
There are many carbon patterns, but this one is tiny.
Source Designova
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin