Background pattern 272 (colour 3) #2055
Red CC 0A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More Textures
Seamless Prismatic Pythagorean Line Art Pattern No Background #569
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
Decorative divider 297 #1746
Pink CC 0From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
"Black Metal Grid", Seamless Background Pattern #1080
Metal CC BY-SA 3.0A free seamless background pattern for use on websites.
Source V. Hartikainen
Tex2res3@2X #724
Fabric CC BY-SA 3.0Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Classy Fabric #611
Dark CC BY-SA 3.0This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Ribbon pattern 2 (version 2, colour 2) #2038
Colorful CC 0The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Colourful background 14 #2526
Colorful CC 0A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Prismatic Polka Dots Mark II No Background #530
Noise CC 0Prismatic Polka Dots Mark II No Background
Source GDJ
regular hexagon pattern #2541
Grid CC 0The image depicts a pattern of regular hexagon.As I made to use it for myself,I want to others to use it.Speaking about the ratio of the image, height : width = 2 : √3(1.732...)Ridiculous to say,I realized later that this image is not honey comb pattern.I have to slide the second row.
Source Yamachem
Swirl@2X #948
Light CC BY-SA 3.0The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Colorful Floral Pattern Background 3-remix #215
Noise CC 0This is the remix of "Colorful Floral Pattern Background 3" uploaded by "GDJ". Thanks.
Source Yamachem
Element of beach pattern with background #254
Noise CC 0Element of beach pattern with background.
Source Rones
Old Cardboard, Background Texture #1213
Cardboard CC BY-SA 3.0A seamless background texture of old cardboard.
Source V. Hartikainen
Wood Background Pattern #882
Wood CC BY-SA 3.0A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
Grilled Noise #581
Fabric CC BY-SA 3.0You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Soft Kill@2X #319
Dark CC BY-SA 3.0Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Tessellation 14 variant 1 #2530
Grid CC 0A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background pattern 239 #2217
Red CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background pattern 215 (colour 4) #2368
Green CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Background pattern 259 (colour 2) #2132
Green CC 0Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Ancient Pattern #1058
Stone CC BY-SA 3.0A repeating graphic with ancient pattern. I came up with this name/title at last minute, so you may find that there is very little of ancientness in this pattern after all.
Source V. Hartikainen
Decorative divider 291 #1793
Dark CC 0From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
Graphcoders Lil Fiber #729
Fabric CC BY-SA 3.0Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Background pattern 294 #1921
Dark CC 0Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin