Operating System

Mac OS X Server 1.0

Apple Computer · Unknown year

Macintosh, Unix-like, BSD

Family

Macintosh, Unix-like, BSD

Type

Server

Kernel

Hybrid, XNU, monolithic

Version

1.2v3 / October 27, 2000; 25 years ago (2000-10-27)

Operating System

PF (firewall)

OpenBSD · 2001

Other

Family

Other

Type

Desktop

License

BSD license

Released

2001

Operating System

Mac OS X Public Beta

Apple Computer · Unknown year

Macintosh, Unix-like, Darwin/BSD

Family

Macintosh, Unix-like, Darwin/BSD

Type

Desktop

Kernel

Hybrid, XNU

Operating System

Rhapsody (operating system)

Apple Computer · Unknown year

Macintosh, Unix-like, BSD

Family

Macintosh, Unix-like, BSD

Type

Desktop

Kernel

Hybrid kernel

Version

Developer Release 2 / May 1998; 28 years ago (1998-05)

License

Only released to developers

Operating System

MacOS

Apple · 2001

Mac, Darwin, BSD

Family

Mac, Darwin, BSD

Type

Desktop

Kernel

Hybrid, XNU

Version

[±]

License

Proprietary

Released

2001

Operating System

IPadOS 16

Apple · Unknown year

Unix-like, Darwin, BSD

Family

Unix-like, Darwin, BSD

Type

Desktop

Kernel

Hybrid, XNU

Version

[±]

License

Proprietary software

Operating System

IPadOS 15

Apple · Unknown year

Unix-like, Darwin, BSD

Family

Unix-like, Darwin, BSD

Type

Desktop

Kernel

Hybrid, XNU

Version

[±]

License

Proprietary software

Operating System

IPadOS 14

Apple · Unknown year

Unix-like, Darwin, BSD

Family

Unix-like, Darwin, BSD

Type

Desktop

Kernel

Hybrid, XNU

Version

[±]

License

Proprietary software

Operating System

IPadOS 13

Apple Inc. · 2019

Unix-like, Darwin, BSD

Family

Unix-like, Darwin, BSD

Type

Desktop

Kernel

Hybrid, XNU

Version

[±]

License

Proprietary software

Released

2019

Operating System

IOS

Apple · 2007

Unix-like, Darwin, BSD

Family

Unix-like, Darwin, BSD

Type

Mobile

Kernel

Hybrid, XNU

Version

[±]

License

Proprietary software

Released

2007

Operating System

VisionOS

Apple · 2023

Unix-like, Darwin, BSD

Family

Unix-like, Darwin, BSD

Type

Desktop

Kernel

Hybrid, XNU

Version

[±]

License

Proprietary software

Released

2023

Operating System

TvOS

Apple · 2007

Unix-like, BSD

Family

Unix-like, BSD

Type

Desktop

Kernel

Hybrid, XNU

Version

[±]

License

Commercial, proprietary software

Released

2007

Operating System

IPadOS

Apple · 2019

Unix-like, Darwin, BSD

Family

Unix-like, Darwin, BSD

Type

Desktop

Kernel

Hybrid, XNU

Version

[±]

License

Proprietary software

Released

2019

Operating System

DebWRT

Unknown · 2009

Linux (Unix-like)

Family

Linux (Unix-like)

Type

Desktop

Kernel

Monolithic (Linux, FreeBSD), Micro (Hurd)

Version

DebWrt 2.0-1 'Angel' / September 26, 2010 (2010-09-26)[1]

License

Free software licenses(mainly GPL), and other licenses

Released

2009

Operating System

Chimera Linux

Chimera Linux · Unknown year

Linux with a BSD-flavored userland (Unix-like)

Family

Linux with a BSD-flavored userland (Unix-like)

Type

Desktop

Kernel

Monolithic (Linux)

Version

Rolling release / 20 December 2025; 5 months ago (2025-12-20)[1]

License

mostly BSD-2-Clause

Operating System

Xenix

Microsoft, SCO, HCR, Logica · 1980

SVR2.3, BSD

Family

SVR2.3, BSD

Type

Desktop

Kernel

Monolithic kernel

Version

System V R2.3.4 / August 12, 1991; 34 years ago (1991-08-12)

License

Proprietary

Released

1980

Operating System

NetBSD 10

NetBSD Foundation · 2024

BSD

Family

BSD

Type

Embedded

Kernel

NetBSD

Version

10

License

Open source

Released

2024

Operating System

OpenBSD 7.5

OpenBSD Project · 2024

BSD

Family

BSD

Type

Server

Kernel

OpenBSD

Version

7.5

License

Open source

Released

2024

Operating System

FreeBSD 14

FreeBSD Project · 2023

BSD

Family

BSD

Type

Server

Kernel

FreeBSD

Version

14

License

Open source

Released

2023