Floral #1676
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

 More Textures
Pool Table #175
 Wall  CC BY-SA 3.0

This makes me wanna shoot some pool! Sweet green pool table pattern.

Source Caveman

One in a Million #1346
 Gray  CC BY-SA 3.0

Nicely executed tiling for an interesting pattern.

Source Ignasi Àvila Padró

Checkered [email protected] #323
 Grid  CC BY-SA 3.0

Simple gray checkered lines, in light tones.

Source Radosław Rzepecki

Asfault 7 #1386
 Dark  CC 0

Gamedev - Asphalt textures. CC0 License.

Source Davit Masia

Ribbon pattern 2 (version 2, colour 6) #2034
 Pink  CC 0

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

Source Firkin

Food and drink design #1897
 Dark  CC 0

Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.

Source Firkin

Wide Rectangles #699
 Wall  CC BY-SA 3.0

Simple wide squares with a small indent. Fits all.

Source Petr Šulc.

Redox [email protected] #852
 Light  CC BY-SA 3.0

After 1 comes 2, same but different. You get the idea.

Source Hendrik Lammers

Background pattern 230 (colour 2) #2302
 Green  CC 0

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

Source Firkin

Wavy tile #2024
 Colorful  CC 0

Seamless tile drawn in Paint.net and vectorised in Vector Magic.

Source Firkin

Floral Seamless Pattern Background #261
 Fabric  CC 0

PDP

Source GDJ

Floral tile 3 #1791
 Yellow  CC 0

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

Source Firkin

Colourful background #2007
 Colorful  CC 0

Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic

Source Firkin

Colourful background #2010
 Colorful  CC 0

Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic

Source Firkin

[email protected] #975
 Gray  CC BY-SA 3.0

There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.

Source Dominik Kiss

Yellow Wood Planks Background #876
 Wood  CC BY-SA 3.0

This background pattern contains a texture of yellow wood planks. I think it looks quite original.

Source V. Hartikainen

Diamond [email protected] #686
 Diamond  CC BY-SA 3.0

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

Source AJ Troxell

Wall #1245
 Wall  CC 0

Zerro CC tillable texture of stones photographed and made by me. CC0

Source Sojan Janso

Visual illusion #2586
 Grid  CC 0

The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Flower 193 #1794
 Green  CC 0

From a drawing in 'Prose and Verse ', William Linton, 1836.

Source Firkin

Exclusive Paper #23
 Light  CC BY-SA 3.0

Paper pattern with small dust particles and 45-degree strokes.

Source Atle Mo

Background pattern 245 (colour 2) #2191
 Green  CC 0

This was formed by distorting an image of a background on Pixabay.

Source Firkin

Seamless Green Curtain Background #1333
 Green  CC BY-SA 3.0

A free seamless background image with abstract texture of green "curtain".

Source V. Hartikainen

Prismatic Hexagonalist Pattern No [email protected] #804
 Light  CC 0

Prismatic Hexagonalist Pattern No Background

Source GDJ

Pattern & Plywood #1348
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Seamless Prismatic Pythagorean Line Art Pattern No Background #569
 Light  CC 0

Seamless 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

Spiral background 2 (colour 2) #2244
 Colorful  CC 0

Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.

Source Firkin