Background pattern 213 #2412
Dark 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
Batthern #324
Grid CC BY-SA 3.0Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Eight Horns #1325
Light CC BY-SA 3.0Looks like an old rug or a computer chip.
Source Patutin Sergey
Little Triangles@2X #688
Light CC BY-SA 3.0The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Part of Bayeux Tapestry 4 #2446
Noise CC 0From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Background pattern 328 (colour 6) #1796
Red CC 0To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Prismatic Groovy Concentric Background 3 No Black@2X #460
Noise CC 0Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Wall #1248
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Geometric pattern #2004
Grid CC 0A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Gold Triangular Seamless Pattern No Background #272
Light CC 0Gold Triangular Seamless Pattern No Background
Source GDJ
Decorative divider #1986
Dark CC 0Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Prismatic Polyskelion Pattern No Background #394
Light CC 0Prismatic Polyskelion Pattern No Background
Source GDJ
Tileable Wood #655
Wood CC BY-SA 3.0Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Fruit on a branch #1969
Dark CC 0From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Food and drink design (colour) #1896
Colorful CC 0Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Background pattern 215 (colour 2) #2370
Blue CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Prismatic Abstract Geometric Background 4 No Black@2X #443
Dark CC 0Prismatic Abstract Geometric Background 4
Source GDJ
Background pattern 268 #2066
Dark CC 0Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Floral design 107 #1713
Dark CC 0Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Leafy pattern 10 #1775
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Overlapped wood 2 #2568
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Noise Lines #897
Paper CC BY-SA 3.0Lovely pattern with some good-looking non-random noise lines.
Source Zucx