Connected #348
 Light  CC BY-SA 3.0

White circles connecting on a light gray background.

Source Mark Collins

 More Textures
Triangular #1156
 Gray  CC BY-SA 3.0

Dare I call this a «flat pattern»? Probably not.

Source Dax Kieran

Stone Wall & Gray #1559
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Wavy background #2021
 Pink  CC 0

CC0 and a seamless pattern from a tile drawn in Paint.net .

Source SliverKnight

Floral background #1973
 Dark  CC 0

Remixed from a drawing in 'Line and form', Walter Crane, 1914.

Source Firkin

Decorative divider 208 #2366
 Dark  CC 0

Derived from elements found in a floral ornament drawing on Pixabay.

Source Firkin

Decorative divider #1996
 Dark  CC 0

From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.

Source Firkin

Background Patterns - Aubergine #247
 Fabric  CC 0

If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117

Source Viscious-Speed

Cloth & Gray #1621
 Fabric  CC 0

Fabric. CC0 License.

Source Unknow

Floral design 94 #1792
 Yellow  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin

White Wall #771
 Wall  CC BY-SA 3.0

A huge one at 800x600px. Made from a photo I took going home after work.

Source Atle Mo

Japanese family crest called chidori 02 #2440
 Brown  CC 0

The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.

Source Yamachem

Leafy pattern 7 (colour) #1827
 Red  CC 0

Alternative colour scheme.

Source Firkin

Floral pattern 7 (colour 3) #2289
 Pink  CC 0

Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Background pattern 315 (colour 6) #1840
 Green  CC 0

The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Background pattern 238 (colour 3) #2227
 Blue  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Retro Squares Background 6 #396
 Noise  CC 0

Retro Squares Background 6

Source GDJ

"Wide Stripe Wallpaper", Seamless Pattern #1227
 Yellow  CC BY-SA 3.0

A seamless pattern with wide vertical stripes colored in pale yellow.

Source V. Hartikainen

Colourful background 32 #2173
 Colorful  CC 0

Colourful background achieved with gradient fills.

Source Firkin

Seamless Prismatic Quadrilateral Line Art Pattern No Background #379
 Diamond  CC 0

Seamless Prismatic Quadrilateral Line Art Pattern No Background

Source GDJ

Summer leaves pattern #2469
 Green  CC 0

A seamless pattern formed from leaves.

Source Firkin

Metal & Gray Stone #1656
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

Paper Blank 1 #2115
 Paper  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Background pattern 238 (colour 2) #2228
 Green  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Diamond Eyes #685
 Diamond  CC BY-SA 3.0

Everyone loves a diamond, right? Make your site sparkle.

Source AJ Troxell

Leafy pattern 10 #1775
 Dark  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin

The Black [email protected] #770
 Dark  CC BY-SA 3.0

Super dark, crisp and detailed. And a Kill Bill reference.

Source Badhon Ebrahim

Floral pattern 9 #2043
 Dark  CC 0

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

Background pattern 252 (colour 4) #2159
 Light  CC 0

Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Floral pattern 3 (colour) #2330
 Colorful  CC 0

Adapted from a jpg on Pixabay.

Source Firkin

[email protected] #576
 Dark  CC BY-SA 3.0

Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!

Source Dertig Media