Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Linux
nitro is described as 'Tiny but flexible init system and process supervisor' and is an app. There are more than 10 alternatives to nitro for a variety of platforms, including Linux, BSD, Mac, Self-Hosted and Python apps. The best nitro alternative is Dinit, which is both free and Open Source. Other great apps like nitro are systemd, OpenRC, runit and sysvinit.
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.

The Sysvinit package contains programs for controlling the startup, running, and shutdown of the system.
a free system array created by Apple inc. For BSD - including macOS as macOS is based on the Darwin kernel of BSD
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.
Supervisor is a client/server system that allows its users to monitor and control a number of processes on UNIX-like operating systems.


