Current Software Platforms

Android
Android (based on the modified Linux kernel) is a mobile operating system developed by Google. The base system is open-source, but the apps and drivers which provide functionality are increasingly becoming closed-source. Although the Android operating system is free and open-source software, in devices sold, much of the software bundled with it (including Google apps and vendor-installed software) is proprietary software and closed source.

Android Versions
Android’s release versions starting from 1.5 and until 9 are named after sweets or dessert items:

1.0 – (No codename)
1.1 – (Internally known as “Petit Four”)
1.5 – Cupcake
1.6 – Donut
2.0 – Eclair
2.2.x – Froyo: (for “Frozen Yogurt”)
2.3 – Gingerbread
3.0 – Honeycomb
4.0 – Ice Cream Sandwich
4.1 – Jelly Bean
4.4.4 – KitKat
4.4W – KitKat Watch
5.0 – Lollipop
6.0 – Marshmallow
7.0 – Nougat
8.0 – Oreo
9.0 – Pie
10.0 – 10
11.0 – 11

BlackBerry Secure
BlackBerry Secure is an operating system developed by BlackBerry, based on the Android Open Source Project (AOSP). Officially announced the name for their Android based front-end touch interface in August 2017, before the announcement, BlackBerry Secure was running on BlackBerry brand devices such as BlackBerry Priv, DTEK 50/60 and BlackBerry KeyOne. Currently, BlackBerry plan to license out the BlackBerry Secure to other OEM’s.

Fire OS
Amazon Fire OS is an Android-based mobile operating system produced by Amazon for its Fire range of tablets, Echo and Echo Dot, and other content delivery devices like Fire TV (Previously for their Fire Phone). It is forked from Android. Fire OS primarily centers on content consumption, with a customized user interface and heavy ties to content available from Amazon’s own storefronts and services.

Current Fire OS version list
Fire OS 1.x
Fire OS 2.x
Fire OS 3.x
Fire OS 4.x
Fire OS 5.x
Fire OS 6.x
Fire OS 7.x

HTC Sense
HTC Sense is a software suite developed by HTC, used primarily on the company’s Android-based devices. Serving as a successor to HTC’s TouchFLO 3D software for Windows Mobile, Sense modifies many aspects of the Android user experience, incorporating added features (such as an altered home screen and keyboard), widgets, HTC-developed applications, and redesigned applications. The first device with Sense, the HTC Hero, was released in 2009.

HTC Sense 1.x (based on Android “Eclair” 2.0/2.1, initial release)
HTC Sense 2.x (based on Android “Eclair”, “Froyo” and “Gingerbread” 2.0/2.1, 2.2.x and 2.3.x, redesigned UI)
HTC Sense 3.x (based on Android “Gingerbread” 2.3.x, redesigned UI)
HTC Sense 4.x (based on Android “Ice Cream Sandwich” and “Jelly Bean” 4.0.x and 4.1.x, redesigned UI)
HTC Sense 5.x (based on Android “Jelly Bean” 4.1.x – 4.3.x, redesigned UI)
HTC Sense 6.x (based on Android “KitKat” 4.4.x, redesigned UI)
HTC Sense 7.x (based on Android “Lollipop” 5.0.x, redesigned UI)
HTC Sense 8.x (based on Android “Marshmallow” 6.0.x, redesigned UI)
HTC Sense 9.x (based on Android “Nougat” 7.x, redesigned UI)
HTC Sense 10.x (based on Android “Oreo” 8.x and “Pie” 9.0, redesigned UI)

Chrome OS
Chrome OS is an operating system designed by Google that is based on the Linux kernel and uses the Google Chrome web browser as its principal user interface. As a result, Chrome OS primarily supports web applications. Google announced the project in July 2009, conceiving it as an operating system in which both applications and user data reside in the cloud: hence Chrome OS primarily runs web applications. Chrome OS is only available pre-installed on hardware from Google manufacturing partners. An open source equivalent, Chromium OS, can be compiled from downloaded source code. Early on, Google provided design goals for Chrome OS, but has not otherwise released a technical description.

Tizen
Tizen (based on the Linux kernel) is a mobile operating system hosted by Linux Foundation, together with support from the Tizen Association, guided by a Technical Steering Group composed of Intel and Samsung. Tizen is an operating system for devices including smartphones, tablets, In-Vehicle Infotainment devices, however, currently it mainly focuses on wearable and smart TVs. It is an open-source system that aims to offer a consistent user experience across devices. Tizen’s main components are the Linux kernel and the WebKit runtime. HTML5 apps are emphasized. Tizen will be targeted at a variety of platforms such as handsets, touch pc, smart TVs and in-vehicle entertainment. While Tizen itself was open source, most of the UX and UI layer that developed by Samsung was mainly closed source and proprietary, such as the TouchWiz UI on the Samsung Z’s series smartphone and One UI for their Galaxy Watch wearable lines.

Current Tizen version list:

Tizen – 1.0 (Larkspur)
Tizen – 2.0 (Magnolia)
Tizen – 2.1 (Nectarine)
Tizen – 2.4.x
Tizen – RT 1.0
Tizen – 3.0
Tizen – 4.0
Tizen – 5.0 (under development)

Closed source

iOS
iOS (formerly named iPhone OS) was created by Apple Inc. It has the second-largest installed base worldwide on smartphones, but the largest profits, due to aggressive price competition between Android-based manufacturers. It is closed source and proprietary. The iPhone, iPod Touch, iPad and second or third-generation Apple TV all use iOS, which is derived from macOS. Native third party applications were not officially supported until the release of iPhone OS 2.0 on July 11, 2008.

iOS version list

iPhone OS 1.x (Initial release)
iPhone OS 2.x
iPhone OS 3.x
iOS 4.x
iOS 5.x
iOS 6.x
iOS 7.x
iOS 8.x
iOS 9.x
iOS 10.x
iOS 11.x
iOS 12.x
iOS 13.x
iOS 14.x

iPadOS
iPadOS is a tablet operating system created and developed by Apple Inc. specifically for their iPad line of tablet computers. It was announced at the company’s 2019 Worldwide Developers Conference (WWDC), as a derivation from iOS but with a greater emphasis put on multitasking. It was released on September 24, 2019.

iPadOS version list

iPadOS 13.X (Initial release)
iPadOS 14.x (2nd major release)

watchOS
watchOS is the operating system of the Apple Watch, developed by Apple Inc. It is based on the iOS operating system and has many similar features. It was released on April 24, 2015, along with the Apple Watch, the only device that runs watchOS. It is currently the most widely used wearable operating system. Its features focus on conveniences, such as being able to place phone calls and send texts, and health, such as fitness and heart rate tracking.

Kindle firmware
Kindle firmware is mobile operating system specifically design for Amazon Amazon Kindle e-readers, it is based on custom Linux kernel however it is entirely closed source and proprietary, and only runs on Amazon Kindle line up manufactured under Amazon brand.

Windows 10
Windows 10 is a personal computer operating system developed and released by Microsoft as part of the Windows NT family of operating systems. It was released on July 29, 2015 and many editions and versions have been released since then. Just like its predecessors, it was designed to run across multiple Microsoft product such as PCs and Tablets. The Windows user interface was revised to handle transitions between a mouse-oriented interface and a touchscreen-optimized interface based on available input devices‍.