#1 Player Visibility
This Plugins Use To Toggle ON or Off player on your server!
Links: https://dev.bukkit.org/projects/player-visibility
#2 LiftSign
This Plugins allow player to make Lift With Sign!
Links: https://dev.bukkit.org/projects/liftsign
#3 OreoPaint
This Plugins Allow Owner to color wools with Simple GUI!
Links: https://www.spigotmc.org/resources/oreopaint.46067/
#4Chat Effects
This Plugins Make To Add Sounds To Chat
https://www.spigotmc.org/resources/simple-chateffcts-sounds-colors-and-more.45760/
Thx Please Added This Plugins 
