This solution provides server administrators access to managing groups and permissions for all worlds.

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Required Dependency: Vault

Note: You can't create a group using this plugin, that can only be accomplished with other plugins like GroupManager (which is included in this pack) or PEX. This plugin (which utilizes the Vault API) just makes group management easier by executing the commands for the listed worlds you want the plugin to take affect in, rather than just the world the user is in.

Metrics

This plugin utilizes Hidendra's plugin metrics system, which means that the following information is collected and sent to mcstats.org:

A unique identifier
The server's version of Java
Whether the server is in offline or online mode
The plugin's version
The server's version
The OS version/name and architecture
The core count for the CPU
The number of players online
The Metrics version

Features

Set user's group globally with just one command
Add/Remove permissions from groups/users globally
Get the current group of a user

Commands and Permissions

Commands
/ggm - Help menu
/ggm setgroup <user> <group> - Sets the users group
/ggm getgroup <user> - Gets the users current group (1.1.0)
/ggm addperm <user> <permission> - Adds permission to user
/ggm removeperm <user> <permission> - Removes permission from user
/ggm version - Shows the current version you are running

Permissions
globalgroupmanager.* - Access to all commands
globalgroupmanager.setgroup - Access to /ggm setgroup
globalgroupmanager.getgroup - Access to /ggm getgroup (1.1.0)
globalgroupmanager.addpermission - Access to /ggm addperm
globalgroupmanager.removepermission - Access to /ggm removeperm
globalgroupmanager.version - Access to /ggm version

Configuration

worlds - The list of worlds you wish users are not affected by this plugin

worlds:
- world
- world2
- world3

Source (github)

GlobalGroupManager