Bukkit plugin for Minecraft. http://dev.bukkit.org/bukkit-plugins/afk/
Version: 4.5.3 (1.10, 1.9.4, 1.9.2, 1.9, 1.8),
Version: 4.2.1 (1.6.4),
Command: /afk
Command sets player AFK. Same command or chat input sets player no-AFK. AFK can be canceled by moving as well.
{DISPLAYNAME} Displays player name (ex: schneckk) {TIME} Displays afk time (ex: 3m15s)