Always wondering how many players are online? With this addon it will display online players in your action bar (at the bottom of your field of view) so you will never have to use /list again!
Once you download the addon, enable it in your world settings>behaviour packs. Joins your world and it will display the amount of players playing in your actionbar
Full in game image:
This will only display up to 30 players (that is the limit of players you can get on a world using /setmaxplayers)
Added a full in game image on request of editor feedback