Discord Link is an incredible plugin that is able to link Minecraft accounts in-game with discord accounts. This plugin is everything one can ask for, from automatically giving linked players their roles and making their discord nickname their in-game name, the plugin runs smoothly and includes everything a server owner desires. Adding this plugin would opem many huge opportunities for server owners to expand their servers.
Link: https://www.spigotmc.org/resources/discord-link-spigot-bungeecord.72684/