SquadJS is an open source NodeJS application that closely integrates with a Squad server, allowing for administrative extensibility and statistic tracking via its many sockets and modules.
PLEASE NOTE: SquadJS is NOT native to Squad, it is a completely separate application. Southnode can, at your request, provision a NodeJS instance for you that integrates with your Squad Server instance - this service is available to Squad Servers with 80-100 player slot caps.