Just Permissions for your server, this plugin is easy to set up, Vault support is expected in the future

Source Code in plugin.jar
Version 1.13+ > https://www.spigotmc.org/resources/just-permissions.105152/

Commands 1.5V+
◄ Just Permissions ► Command help:
► / justperm create < group > - Create group
► / justperm delete < group > - Delete group
► / justperm user < add | set | remove > < group > < namePlayer > - Edit player
► / justperm user < addUser| removeUser> < namePlayer> - Edit list player
► / justperm edit < default| parent| permissions> < group> < value> - Edit
group
► / justperm groupList - Group list
► / justperm groupListPlayer < namePlayer > - Info player group
► / justperm reload - Reload plugin