EasyJoin is a plugin made by
@klishdev aka RoachLumbox, It's the simplest way of having a Join/Leave System. The plugin is really configurable to the extent that you can choose where the player's name should be using the Placeholder "%player%"
Code (YAML):
'
#': 'SUPPORTED PLACEHOLDERS: %player% | Plugin made by RoachLumbox.' joinMsg: '&7
%player% &8» &7has joined the server.' leaveMsg: '&7
%player% &8» &7has left the server.'