Argus - Collections management for museums & galleries
CPPS.io - CPPS.io is a clone of Club Penguin, you will have the same experience as if Club Penguin was still around, with free membership custom features and more, come join CPPS.io a great alternative to Club penguin.
RemoteRetro - A tool for having agile retrospective meetings remotely! RemoteRetro makes retros easier and more effective, even when your colleagues are in different locations.
Meow Playground - Imagine Club Penguin with cats!
Neopets - Neopets is an Amazing, Virtual World, Massively Multiplayer Online, Role-playing and Fantasy-based video game developed and published by Viacom.
Reetro.io - Reetro is a versatile retrospective tool for agile teams, collaborate with your team and get better in what you do with a simple, intuitive and beautiful tool