DualWield allows players to hold and use tools in both offhand and primary.
https://www.spigotmc.org/resources/dualwield.82349/
Public crafting makes crafting visivle on the crafting table to players who are not crafting. Also allows players to craft together.
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.spigotmc.org/resources/public-crafting-tables.50686/&ved=2ahUKEwjuwf2J9-bwAhU9gtgFHa5sCiAQFjAAegQIAxAC&usg=AOvVaw02zYQSplVkzgf-4YkJziTQ