It's currently at Version 4.6.1
Basically it's a multi-room chat platform with internet radio, image uploading (latest uploaded image is displayed and the colors of the room change according to it), administration commands and stuff.
It doesn't use passwords, everything is key based which are stored in the localStorage of the browser, plus some IP checks for spam reasons.
Image 1: https://i.imgur.com/oiNv3aw.jpg
Image 2: https://i.imgur.com/u1GfRuK.jpg
Image 3: https://i.imgur.com/s4owCvY.jpg
Hacker News room:
https://i.imgur.com/8zoK7P3.jpg
https://hue.merkoba.com/Hacker%20News
Source code: https://github.com/madprops/Hue