Monit
6.2#9 in process monitoring softwareFree planFree planLinuxmacOSSelf-hosted
VisitMonit vs PM2
What both publish
| Fact | Monit | PM2 |
|---|---|---|
| Alerts | Monit sends customizable alert messages about error conditions and can log to syslog or its own log file. | PM2 Plus lists email and Slack notifications; Enterprise adds advanced rule-based alerting. |
| Container use | Monit can run as PID 1 in containers, handling init responsibilities and service monitoring in one lightweight package. | PM2 documents pm2-runtime as a way to run Node.js applications in containers with process fallback, flow control, monitoring, and source-map support. |
| Integrations | Monit works with init, upstart, and systemd and can use existing run-level scripts to manage services. | Official integration documentation covers Docker, Heroku, AWS Elastic Beanstalk, cloud providers, Nginx, transpilers and Capistrano-style deployments. |
| Purpose | Monit is an open-source utility for managing and monitoring Unix systems, with automatic maintenance and repair actions for errors. | PM2 is a daemon process manager that helps manage applications and keep them online. |
| Security | The maker says Monit is built with OpenSSL 3.5.7 statically linked and PAM support dynamically linked. | The PM2 AI Assistant page says access to monitoring data is secured by OAuth with a PM2.io account. |
Monit plans
- MonitFree
PM2 plans
- PM2 RuntimeFree
- RuntimeFree
- Plus$79 a month
- PM2 Plus$79 a month
- EnterprisePriced on request
- PM2 EnterprisePriced on request
Pick Monit if…
Monit suits administrators managing Unix systems who want to monitor services, processes, filesystems, and system resources. It can also suit container deployments that need a process to handle both init responsibilities and service monitoring.
Pick PM2 if…
PM2 Runtime suits developers who want an open-source process manager for applications, including Node.js apps running in containers. Teams needing Node.js production monitoring can consider Plus, while Enterprise lists optimization and profiling features.