Lock and key pattern #1884
 Yellow  CC 0

Seamless pattern formed from a key and lock.

Source Firkin

 More Textures
crissXcross #111
 Dark  CC BY-SA 3.0

Dark pattern with some nice diagonal stitched lines crossing over.

Source Ashton

Fabric pattern 3 (colour 2) #2386
 Fabric  CC 0

Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

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

Rice Paper [email protected] #341
 Paper  CC BY-SA 3.0

One can never have too few rice paper patterns, so here is one more.

Source Atle Mo

Plain & Walnut Flame #1357
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

blue wave-seigaiha #2535
 Blue  CC 0

The image depicts the Japanese Edo pattern called "seigaiha" or "青海波" meaning "blue -sea- wave".I hope it's suitable for the summer season.

Source Yamachem

Background Pattern Green #1939
 Green  CC 0

Fix and cc0 to get the tile this is based on.

Source SliverKnight

Background pattern 215 (colour 4) #2368
 Green  CC 0

A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.

Source Firkin

Floral design 107 #1713
 Dark  CC 0

Derived from an image that was uploaded to Pixabay by Darkmoon1968

Source Firkin

Moss 1 #2104
 Unknow  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Inspiration [email protected] #1176
 Unknow  CC BY-SA 3.0

This one is rather fun and playful. The 2X could be used at 1X too!

Source Welsley

Colorful Geometric Pattern Background #231
 Noise  CC 0

PDP

Source GDJ

Debut Light #1012
 Light  CC BY-SA 3.0

Classic 45-degree pattern, light version.

Source Luke McDonald

Background pattern pink #1948
 Pink  CC 0

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

Source Firkin

Gray Striped Background #906
 Stripes  CC BY-SA 3.0

Here's a bluish gray striped background pattern for use on web sites.

Source V. Hartikainen

Gray Sand #17
 Dark  CC BY-SA 3.0

A dark gray, sandy pattern with small light dots, and some angled strokes.

Source Atle Mo

Classy Fabric #611
 Dark  CC BY-SA 3.0

This is lovely, just the right amount of subtle noise, lines and textures.

Source Richard Tabor

Wood Web Background #870
 Wood  CC BY-SA 3.0

Here's a tile-able wood background image for use in web design.

Source V. Hartikainen

Bright [email protected] #88
 Light  CC BY-SA 3.0

It’s okay to be square! A nice light gray pattern with random squares.

Source Waseem Dahman

Psychedelic Geometric Background #381
 Noise  CC 0

Psychedelic Geometric Background.

Source GDJ

Square ornament 37 (colour) #2176
 Colorful  CC 0

Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.

Source Firkin

shell pattern #2533
 Brown  CC 0

The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.

Source Yamachem

Brick #1375
 Wall  CC 0

Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!

Source Linolafett

Background pattern 225 #2327
 Colorful  CC 0

Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.

Source Firkin

Light Wall #1265
 Wall  CC 0

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

Source Sojan Janso

Light Gray #1203
 Gray  CC BY-SA 3.0

Like the name says, light and gray, with some small dots and circles.

Source Brenda Lay

Natural Paper #833
 Paper  CC BY-SA 3.0

You know I’m a sucker for these. Well-crafted paper pattern.

Source Mihaela Hinayon