sysvinit might be a bit more popular than Upstart. We know about 1 link to it since March 2021 and only 1 link to Upstart. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The problem is that systemd vs sysv-init is a false dichotomy. Systemd took over a ton of important non-init functionality, like DNS, logging, and interactive sessions. That could be fine if systemd did so in a nice and rock-solid way, but it was unpleasantly bug-ridden for years after being thrust on mainstream distros via a hard Gnome dependency. SysV-init sucks in many ways, it's well known, and I can... - Source: Hacker News / about 1 year ago
It's a plus because Gentoo fully supports the choice of Systemd or OpenRC. It also has minit, dumb-init, sysvinit, cinit in tree for the more adventurous. No one was calling the AUR bloat, the parent comment just mentions that Gentoo has an equivalent project, GURU. Source: almost 2 years ago
systemd - systemd is a replacement for the init daemon for Linux (either System V or BSD-style).
runit - runit is a cross-platform Unix init scheme with service supervision, a replacement for sysvinit...
Supervisor - Supervisor is a client/server system that allows its users to monitor and control a number of...
s6 - s6 is a small suite of programs for UNIX, designed for process supervision. It can be used as an init system, or as separate supervision components.
M/Monit - Monit is a free open source utility for managing and monitoring, processes, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.
PM2 - Advanced, production process manager for Node.js