systemd is a suite of basic building blocks for a Linux system. It provides a system and service manager that runs as PID 1 and starts the rest of the system.
Cost / License
- Free
- Open Source (GPL-2.0)
Platforms
- Linux

Supervisor is described as 'Client/server system that allows its users to monitor and control a number of processes on UNIX-like operating systems' and is an app. There are more than 10 alternatives to Supervisor for a variety of platforms, including Linux, BSD, Mac, Windows and Self-Hosted apps. The best Supervisor alternative is systemd, which is both free and Open Source. Other great apps like Supervisor are OpenRC, runit, PM2 and Chaperone Process Manager.
systemd is a suite of basic building blocks for a Linux system. It provides a system and service manager that runs as PID 1 and starts the rest of the system.

Advanced process manager for production Node.js applications. Load balancer, logs facility, startup script, micro service management, at a glance.




Chaperone is a lightweight alternative to process environment managers like systemd or upstart. Chaperone provides an extensive feature set, including dependency-based startup, syslog logging, zombie harvesting, and job scheduling.
The Sysvinit package contains programs for controlling the startup, running, and shutdown of the system.
hummingbird is an init system designed for speed. It does nothing more than start the system and stop the system by default. There are three main "runlevels", fs which is called directly after the pseudo filesystems necessary for the system to run have been mounted...
sleek interface, more metrics, easier-to-read config