Anyone Chat! is described as 'A real time filtered chat-map' and is an website in the Education & Reference category. There are four alternatives to Anyone Chat!, not only websites but also apps for a variety of platforms, including Self-Hosted solutions, Windows, Android and Android Tablet. The best alternative is Zulip. It's not free, so if you're looking for a free alternative, you could try Facechat or NickEgo.