Optimizely or Ruby or Socket.io award-winning websites
72 sites, the most like CSS Gradient first.
Results

CSS Gradient

GitHub Homepage

Robin Payot

+_+ crypton.trading

Space Advisor

Covid-19 Data Dashboard

Moe Amaya

RIOT digital product agency

Gambling.Flatstudio.co

Cinekid Play

Dribbble 2018

Brokenships

Dot to dot

Ask the AI Ball

Cuchillo

Dribbble

FIFATWENTY18

NASA SPACECRAFTS

The Badass Project

Chrome Dev Summit: Adventure

Exercise In Hopeless Nostalgia

Nubikk

Callshop Radio

COAX Software

Playbook

DI Museum

Prince Discography, Annotated

AZAB

Flatstudio. Complex interfaces

Block Rage

M2 Lab

Lebonnet

The Horological Smartwatch

Storytrail

Zappos Kids

Garage Italia

Réard Paris

On the Grid

trublooms

Tondo

Neebo

Kickpush - Design studio

Sherpahire

ALIBI Music

Max Chocolatier

HSE ART AND DESIGN SCHOOL

Molekule

E-Commerce Concept