Operating systems without systemd

This article lists open source operating systems without systemd in the default installation.

Linux-based

The Android operating system uses a Linux kernel. Wikipedia :: Android

Android-x86 DW Android O/S, ported to x86 platform (bootable on x86 hardware). Supported architectures: i386, x86_64
- AndEX Oreo 8.1 runs apps from Aptoide App Manager and Google Play Store on touchscreen x86 laptop
AOSP Android Open Source Project
LineageOS (2) successor of CyanogenMod
Replicant (2) is the free (libre) version of Android. FSF-approved

DragonFlyBSDDW
FreeBSDDW amd64, arm, i386, and so on
- BSD Router ProjectDW (BSDRP) an embedded free and open source router distribution; i386, amd64
- ClonOSDW platform for virtual environment creation and management; amd64
- GhostBSDDW amd64; GTK3 graphical libraries featured
- HardenedBSDDW (3) a security-enhanced fork of **FreeBSD; amd64
- MidnightBSDDW (3) GNUstep graphical libraries featured
- TrueOS (formerly: PC-BSD) OpenRC; desktop/workstation oriented; Lumina desktop environment; amd64 (the "Pico" release also supports arm)
- FreeBSD subprojects tailored for embedded devices
  - FreeNAS DW
  - NAS4FreeDW
  - OPNsense DW (based on FreeBSD and pfSense) tailored for firewalls and routers. amd64 and i386
  - pfSense DW virtual appliances as liveUSB or embedded devices
  - RaspBSDDW special build of FreeBSD (2016) for RaspberryPi and other embedded devices; desktops: Openbox and LXDE; armhf
NetBSD(2) emphasizes portability, across many architectures
- MirBSD aka "MirOS"
OpenBSDDW emphasizes portability, standardization, correctness, proactive security and integrated cryptography
- Bitrig(2) focuses on using modern tools, e.g. git and LLVM/clang; and targets only modern platforms, e.g. amd64, armv7
- Fuguita (architecture: i386) Japanese
PureDarwin

MINIX (2) microkernel O/S, with user mode divided into small, insulated modules to enhance system reliability