It is a Full-Stack Webapp with RESTful API. Where users can chat with each other. But for chatting they have to be Friends fast. Users can send a friend request with the Friend Request key. Then receiver user has to accept the request. The user can also unfriend anyone who is his friend. After unfriend users can see their previous messages but cannot send any message until they become friends again.
There is a Login Activity Page where the user can see by which IP address from where and when his account login. Also, there is a button by clicking on that user can Sign Out his account from any other device/browser except the current one. And more.