GListHider allows you to hide certain player names from being shown to the general players. Those who have the hide permission will be hidden from the glist for normal players whereas those with the admin permission can see all the players online. Please have a look at the Permissions list to know more.
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glist.normal - This is the permission that replaces the "bungee.command.list" permission in the default group.
glist.hide - Users with this permission will be hidden to players that have the "glist.normal" permission.
glist.admin - Users with this permission will be able to see every player who is online, whether they are hidden or not.
/glist - Shows the number of players online in the bungee network.
This plugin is licensed under CC Attribution-NonCommercial-ShareAlike 4.0 International.
In very basic terms, Do whatever you want with the code of this plugin, as long as you give credits to the author and/or the plugin itself.