Interlocking pattern 3 #2406
Grid CC 0A 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
More Textures
Tessellation 16 #2215
Yellow CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Prismatic Abstract Background Design@2X #791
Noise CC 0Prismatic Abstract Background Design
Source GDJ
Light Honeycomb #59
Light CC BY-SA 3.0Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Black And White Floral Pattern Background Inverse #196
Dark CC 0Black And White Floral Pattern Background Inverse
Source GDJ
Geometric pattern 7 #1929
Dark CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Decorative divider 221 #2224
Dark CC 0Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Background pattern purple #1998
Colorful CC 0Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Redox 01@2X #850
Light CC BY-SA 3.0Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Seamless Prismatic Pythagorean Line Art Pattern No Background@2X #570
Light CC 0Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
"Dark Brick Wall", Background Pattern #1024
Stone CC BY-SA 3.0Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
Floral background 2@2X #430
Wall CC 0Background formed from the original with an emboss effect
Source GDJ
Background pattern 246 (colour 3) #2184
Green CC 0This was formed by distorting an image of a background on Pixabay.
Source Firkin
Background pattern 215 #2371
Brown CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Foggy Birds@2X #580
Light CC BY-SA 3.0Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
ecorative divider 209 #2365
Dark CC 0Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Subtle Dark Vertical #607
Dark CC BY-SA 3.0Classic vertical lines, in all its subtlety.
Source Cody L
Abstract Stars Geometric Pattern Prismatic No Background@2X #810
Noise CC 0Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
"Black Metal Grid", Seamless Background Pattern #1080
Metal CC BY-SA 3.0A free seamless background pattern for use on websites.
Source V. Hartikainen
Tessellation 16 (colour 2) #2214
Colorful CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Cartographer #749
Dark CC BY-SA 3.0A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts