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

Dinit is described as 'Service monitoring / "init" system' and is an app. There are more than 10 alternatives to Dinit for a variety of platforms, including Linux, BSD, FreeBSD, Mac and OpenWrt apps. The best Dinit alternative is systemd, which is both free and Open Source. Other great apps like Dinit are OpenRC, sysvinit, runit and s6.
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.
Supervisor is a client/server system that allows its users to monitor and control a number of processes on UNIX-like operating systems.



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.
a free system array created by Apple inc. For BSD - including macOS as macOS is based on the Darwin kernel of BSD