PM2

PM2 is an advanced Node.js process manager and monitoring platform maintained by Keymetrics Inc. With over 100 million downloads and 42,000+ GitHub stars, PM2 is the most widely used process manager for Node.js in production environments. It enables developers to manage, maintain, and monitor Node.js applications with zero-downtime deployments, real-time performance analytics, error tracking, and alerting. PM2 offers an open-source runtime, a cloud-based monitoring dashboard, and enterprise solutions for mission-critical Node.js workloads.