Here is a list of some CSS hexagons.
CSS responsive grid of hexagons
Dev: web-tiki
Overwatch loading by css3
Dev: CCG
CSS Hexagon
Dev: darsain
Hexagon
Dev: Misha Tsankashvili
Hexagon grid
Dev: Mohammed Fahsi
Hexagon Loading With CSS (2)
Dev: Osama Belal
Butterfly Hexagon
Dev: Anurag
3d animated hexagons
Dev: sattellite
Responsive Hexagonal Grid
Dev: Vincent Durand
Hexagonal Grid
Dev: Tiffany Stoik
Responsive Honeycomb Layout
Dev: Jesús Castro
Hexagon Ripple
Dev: Miles Elam
Hexagon Gallery
Dev: Gabriela Johnson
Pastel Hexagon Party
Dev: Amanda Cifaldi
Hive Photo Gallery Grid
Dev: Ana Tudor
Hexagon menu
Dev: Marco Barría
Creative Hexagon with Hover Effect
Dev: Swarup Kumar Kuila
CSS Hexagon Grid
Dev: Eric Cornelissen
Honeycomb
Dev: ycw
Overwatch loader
Dev: Smokie Lee
Hexagon Loader
Dev: Tiffany Stoik
ABCDE
Dev: Ivan Bogachev
CSS Hexagon
Dev: Alexander Erlandsson
Hexagon Flip Card
Dev: Jacob Harris
CSS 3D Hexagon
Dev: Davide Sandonà
Responsive Hexagon Grid
Dev: Kevin Dee Davis
Hex wave (pure CSS 3D)
Dev: Ana Tudor
Hexagon Button
Dev: Kevin Martin
Hexagonal Button
Dev: Franco Bouly
Auto Hexagonal CSS Grid Layout
Dev: Kseso
CSS Rotating Hexagon Loader
Dev: Soufiane Lasri