Android (operating system)

Android 12 home screen with Pixel Launcher
Android 12 home screen with Pixel Launcher
HTC Dream or T-Mobile G1, the first commercially released device running Android (2008)
Eric Schmidt, Andy Rubin and Hugo Barra at a 2012 press conference announcing Google's Nexus 7 tablet
Frontal buttons (home, menu/options, go back, search) and optical track pad of an HTC Desire, a 2010 smartphone with Android OS.
The stack of Android Open Source Project
Android's architecture diagram
The first-generation Nexus 7 tablet, running Android 4.1 Jelly Bean
Barnes & Noble Nook running Android
Ouya, a video game console which runs Android
Android-x86 running on an ASUS Eee PC netbook

Mobile operating system based on a modified version of the Linux kernel and other open source software, designed primarily for touchscreen mobile devices such as smartphones and tablets.

- Android (operating system)

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Google Chrome

Cross-platform web browser developed by Google.

Google Chrome running on Windows 11
Google Chrome running on Windows 11
An early version of Chromium for Linux, explaining the difference between Chrome and Chromium
The results of the Acid3 test on Google Chrome 4.0
Google Chrome Incognito mode message
Screenshot of a Chrome browser crash
Google Chrome Canary application icon
Google Chrome running on an Android phone
Usage share of web browsers according to StatCounter

It was later ported to Linux, macOS, iOS, and Android, where it is the default browser.

Free and open-source software

Software that is both free software and open-source software where anyone is freely licensed to use, copy, study, and change the software in any way, and the source code is openly shared so that people are encouraged to voluntarily improve the design of the software.

A screenshot of free and open-source software (FOSS): Linux Mint running the Xfce desktop environment, Firefox, a calculator program, the built-in calendar, Vim, GIMP, and VLC media player

Free and open-source operating systems such as Linux and descendants of BSD are widely utilized today, powering millions of servers, desktops, smartphones (e.g., Android), and other devices.

Apache License

Permissive free software license written by the Apache Software Foundation .

The Apache Software Foundation logo

In a blog post from May 2008, Google mentioned that over 25% of the nearly 100,000 projects then hosted on Google Code were using the Apache License, including the Android operating system.


American multinational technology company that focuses on artificial intelligence, search engine technology, online advertising, cloud computing, computer software, quantum computing, e-commerce, and consumer electronics.

Then-CEO, and former Chairman of Google Eric Schmidt with cofounders Sergey Brin and Larry Page (left to right) in 2008
Larry Page and Sergey Brin in 2003
Google's original homepage had a simple design because the company founders had little experience in HTML, the markup language used for designing web pages.
Google's first production server
Eric Schmidt, CEO of Google from 2001 to 2011
Entrance of building where Google and its subsidiary Deep Mind are located at 6 Pancras Square, London
Current Google CEO, Sundar Pichai, with Prime Minister of India, Narendra Modi
Google on ad-tech London, 2010
Google's logo from 2013 to 2015
Google employees marching in the Pride in London parade in 2016
Google's New York City office building houses its largest advertising sales team.
Google's Toronto office
Google's Dublin Ireland office, headquarters of Google Ads for Europe
San Francisco activists protest privately owned shuttle buses that transport workers for tech companies such as Google from their homes in San Francisco and Oakland to corporate campuses in Silicon Valley.
The European Commission, which imposed three fines on Google in 2017, 2018, and 2019

These products address a wide range of use cases, including email (Gmail), navigation (Maps), cloud computing (Cloud), web browsing (Chrome), video sharing (YouTube), productivity (Workspace), operating systems (Android), cloud storage (Drive), language translation (Translate), photo storage (Photo), video calling (Meet), smart home (Nest), smartphones (Pixel), wearable technology (Fitbit), gaming (Stadia), music streaming (YouTube Music), video on demand (TV), artificial intelligence (Assistant), machine learning APIs (TensorFlow), AI chips (TPU), and more.

One UI

Screenshot of One UI 4.1
Screenshot of One UI 4.1

One UI is a software overlay developed by Samsung Electronics for its Android devices running Android 9 “Pie” and higher and Windows devices running Windows 11 and higher.

Android TV

Android TV 9.0 home screen with the new interface
Android TV 10 home screen with the new interface
Android TV 10 home screen with the new interface

Android TV is a smart TV operating system based on Android and developed by Google for television sets, digital media players, set-top boxes, and soundbars.

HTC Sense

HTC Sense (version 1.0) running on an HTC EVO 4G

HTC Sense is a software suite developed by HTC, used primarily on the company's Android-based devices.


Discontinued user interface developed by Samsung Electronics Co., Ltd with partners, featuring a full touch user interface.

TouchWiz Grace UX screenshot
A homescreen of TouchWiz as of 2013, on a Samsung Galaxy S4.
Galaxy Mini using TouchWiz 3.0
Galaxy S II using TouchWiz 4.0
"Device options" menu of Samsung Mobile's TouchWiz user interface as of 2013, accessed by holding the power button for a second
The control menu of the Galaxy Note 3, featuring 23 quick toggles. The "download booster" feature, initially featured on the Galaxy S5, was retrofitted with the Android 4.4.2 update.
This menu allows changing the arrangement of the buttons.

TouchWiz is used by Samsung's own proprietary operating systems, Bada and REX, as well as by phones based on the Android operating system prior to Android Nougat.

Windows Mobile

Discontinued family of mobile operating systems developed by Microsoft for smartphones and personal digital assistants.

Windows Mobile 6.5.3 screenshot
Windows Mobile 6.5.3 screenshot
An Alpha build of WinPad in the early days of development showing off stylus compatibility
Pocket PC 2000 Today Screen
Pocket PC 2002 Today Screen
A Ford Territory with Windows Mobile advertising seen in Auckland, New Zealand, in 2008

Following the rise of newer smartphone OSs (iOS and Android) Windows Mobile never equalled the success and faded rapidly in the following years.

Windows 11

Latest major release of Microsoft's Windows NT operating system, released in October 2021.

Screenshot showing the new Start menu and centered taskbar
Screenshot showing the new Start menu and centered taskbar

Microsoft also announced plans to allow more flexibility in software that can be distributed via Microsoft Store, and to support Android apps on Windows 11 (including a partnership with Amazon to make its app store available for the function).