pm2.io

What It Is

PM2 is a process management and monitoring tool for Node.js production environments. The collected information shows that its basic Runtime / Process Manager is open source, with core capabilities including process management, zero-downtime reloads, terminal monitoring, and a real-time web monitoring interface. It is well suited for keeping Node.js applications running reliably on servers over the long term.

Core Capabilities

In terms of features and use cases, PM2 covers a full set of needs from process supervision to production monitoring. It supports zero-downtime reloads, application log viewing, bug and exception tracking, custom metrics, monitoring of Node.js V8 behavior, and notifications via Email/Slack. Plus focuses on basic monitoring for Node.js production applications, while Enterprise further adds in-place CPU and memory profiling, transaction tracing, high-capacity monitoring, up to one year of data retention, rule-based alerts, and custom dashboards. For language support, the text clearly centers on Node.js, while the Enterprise plan also mentions Go and Python integrations.

Pricing and Deployment

PM2 Runtime remains open source and free, but PM2 Plus does not offer a free plan. The page included two different pricing references: $39/month and from $79/month, so you should rely on the current official checkout information before purchasing. Annual billing comes with a 20% discount; Enterprise requires contacting sales, and trials can be requested through sales. For deployment, Enterprise explicitly supports Dedicated or On-Premise Install, and also mentions Cloud Shared or On-Premise Install, suggesting it is relatively friendly to teams with compliance or private deployment requirements.

Pros and Cons

The main advantages are that PM2’s basic process management capabilities are clear and straightforward, and its open-source Runtime lowers the barrier to adoption. The commercial versions add monitoring, alerting, logs, health checks, and performance analysis, covering a fairly complete Node.js operations workflow. The drawbacks are that Plus has no free plan, and the collected text does not fully disclose Enterprise pricing, SLA, support channels, API/SDK details, or documentation quality. Pricing information is also inconsistent and needs to be verified separately.

Who It’s For and Access from China

PM2 is suitable for individual developers, startups, and enterprise operations teams running Node.js production services. Small teams can start with the open-source Runtime, while larger teams can evaluate the monitoring and profiling capabilities of Plus/Enterprise. The collected text does not provide information about access from China, so this remains unknown. If network access or payment is restricted, alternatives include systemd, Docker Compose, Kubernetes, forever, or monitoring solutions such as Prometheus/Grafana, Datadog, and New Relic.