daemontools
daemontools-encore: Derived from the public-domain release of daemontools
Eye: A Ruby implementation
Finit: Fast, Extensible Init for Linux Systems
God: A Ruby implementation
immortal: A Go implementation
PM2: A Process Manager for Node.js
Initng
launchd
minit: A small, yet feature-complete Linux init
Monit
runit
Supervisor: A Python implementation
s6: Low-level process and service supervision
systemd

参考文献

Process supervision – Wikipedia

章节列表

「Supervisor」- 创建首个配置文件
「Upstart」- 基于事件的初始化守护进程
「systemd」- System Software，Process Supervisor
「Supervisor」- A Process Control System
「systemd」- 常见错误汇总
「systemd」- 查看单元文件、分析依赖关系（systemd-analyze）
「LSB – Linux Standard Base」
「LSB Init Scripts」