which was released in 1995. BeOS was designed for multitasking, multithreading, and a graphical user interface. The OS was later sold to OEMs, retail...

The derivatives of macOS are Apple's other operating systems: iOS, iPadOS, watchOS, tvOS, and audioOS. A prominent part of macOS's original brand identity...

– The source for OS/2 developers eCSoft/2 – The OS/2 and eComstation software guide Archived 2010-06-08 at the Wayback Machine osFree an open source project...

ReactOS is a free and open-source operating system for i586/amd64 personal computers intended to be binary-compatible with computer programs and device...

Look up OS, Os, or os in Wiktionary, the free dictionary. OS, O.S., Os, O's, or os may refer to: Operating system, computer system software that manages...

non-free distribution via the iOS app store; for example, GPL licenses are not compatible with the app store. App Store (iOS/iPadOS) List of iOS games...

The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project...

add-on kernel osFree – OS/2 Warp open source clone OSv – written in C++ Phantom OS – persistent object-oriented ReactOS – open source OS designed to be...

HarmonyOS (HMOS) (Chinese: 鸿蒙; pinyin: Hóngméng) is a distributed operating system developed by Huawei for smartphones, tablets, smart TVs, smart watches...

Look up ös in Wiktionary, the free dictionary. Ös may refer to: Ös language, a Turkic language of Russia öS, the currency sign of the Austrian schilling...

of FreeBSD's codebase has become an integral part of other operating systems such as Darwin (the basis for macOS, iOS, iPadOS, watchOS, and tvOS), TrueNAS...

more than 130 billion times. iOS is based on macOS. Like macOS, it includes components of the Mach microkernel and FreeBSD. It is a Unix-like operating...

operating systems, most often on iOS and iPadOS. Apple has also included versions of iWork, iMovie, and GarageBand for free with new device activations since...

iPhone OS was renamed iOS following the release of the iPad, starting with iOS 4. With iOS 13, Apple began offering a separate operating system, iPadOS, for...

smartphone. PureOS is designed to include only free software, and is included in the list of Free Linux distributions published by the Free Software Foundation...

Zorin OS is a Linux distribution based on Ubuntu with both free and paid versions. It uses a GNOME 3 and XFCE 4 desktop environment by default, although...

NixOS is a free and open source Linux distribution based on the Nix package manager. NixOS uses an immutable design and an atomic update model. Its use...

macOS Sonoma (version 14) is the twentieth and current major release of macOS, Apple's operating system for Macintosh computers. The successor to macOS Ventura...

Pop OS (stylized as Pop!_OS) is a free and open-source Linux distribution, based on Ubuntu, and featuring a customized GNOME desktop environment known...

watchOS is the operating system of the Apple Watch, developed by Apple Inc. It is based on iOS, the operating system used by the iPhone, and has many...

ChromeOS, sometimes styled as chromeOS and formerly styled as Chrome OS, is a Linux distribution developed and designed by Google. It is derived from...

Unix-like operating system of macOS (previously OS X and Mac OS X), iOS, watchOS, tvOS, iPadOS, audioOS, visionOS, and bridgeOS. It previously existed as an...

macOS Sequoia (version 15) is the upcoming major release of Apple's macOS operating system. The successor to macOS Sonoma, it was announced at WWDC 2024...

LineageOS is an Android-based operating system for smartphones, tablet computers, and set-top boxes, with mostly free and open-source software. It is the...

removes unnecessary proprietary Android components and includes only free-software. DivestOS builds are signed with release-keys so bootloaders may be re-locked...

CentOS (/ˈsɛntɒs/, from Community Enterprise Operating System; also known as CentOS Linux) is a discontinued Linux distribution that provided a free and...

CalyxOS is an operating system for smartphones based on Android with mostly free and open-source software. It is produced by the Calyx Institute as part...

Fire OS is a mobile operating system based on the Android Open Source Project (AOSP). It is developed by Amazon for their devices. Fire OS includes proprietary...

operating systems: Windows, Linux, macOS, FreeBSD, NetBSD and OpenBSD as well as mobile operating systems: Android, iOS, Maemo, BlackBerry 10 and QNX. The...

SerenityOS is a free and open source desktop operating system that has been in continuous development since 2018. Initially a one-man project of Swedish...