Discord also has a godawful client that you can't (without breaking the EULA) substitute for another. And even then, the options are pretty limited. Matrix se

Discord also has a godawful client that you can't (without breaking the EULA) substitute for another. And even then, the options are pretty limited. Matrix seems to bring along the features of Discord with the freedom of IRC. But, as usual when freedom is concerned, it does come with a fair amount of responsibility, particularly in the form of setting up and running the server.