Discord History Tracker - Discord History Tracker is a great tool that enables you to select chat history and save it in your private conversations, servers, groups, and then view it anytime without needing an internet connection.

MyENIGMA - MyENIGMA is an app that allows you to send text messages, videos, audio clips, photos, and files to your friends and family securely.

PieMessage - iMessage on Android

AvatarPalace - AvatarPalace is the platform that is used for a chat with others in a 2D virtual world and provides various cartoon characters and fun avatars for a chat.

Discord Chat Exporter - Discord Chat Exporter is a useful and open source solution that makes it easy for you to export Discord message history from any channel and then view it offline.

Worlize - Worlize is the platform that allows users to communicate with each other in a fun way and play games that are created by the users on this platform.