Review of Operating Systems and Manufacturers

This independent project aims to be one of the best online resources available in public for all people who are looking for informations about operating systems and their manufacturers. Facts about the history of operating systems are preserved in long term. The documentation started several years ago on 16th November 2000 with the registration of this website domain

The project grew a lot over the time and is still growing. You'll find a huge number of screenshots and in-depth articles about the various operating systems available for a wide variety of computers out there. The content is actively maintained in German and English language.

Objective articles stay in focus. The available informations about operating systems and their developers grows with every feedback and release of the ventors. Feel free to contact me for any feedback and don't forget to check the Changelog for the recent changes on this website.


iOS is Apple's mobile operating system designed for iPhones, iPads, and iPod Touch. It runs on ARM-based processors, utilizing a microkernel architecture for security. iOS tightly integrates software with hardware, ensuring optimized performance and energy efficiency. Regular updates deliver new features, security patches, and bug fixes. It offers a touch-based interface, and a diverse App Store ecosystem. The iOS operating system dominates the premium smartphone market. More about iOS

Windows 11

Windows 11 introduces a centered Start menu, Snap Layouts for multitasking, and a redesigned UI with rounded corners. Its revamped Microsoft Store supports Android apps via the Amazon Appstore. The OS prioritizes gaming with DirectX 12 Ultimate, DirectStorage and Auto HDR. Security enhancements include virtualization-based security and a focus on TPM 2.0 for device integrity. More about Windows 11

Windows 10

Windows 10 is primarily available on computers, laptops and tablets, but there are also versions for other devices such as Surface Hub and HoloLens. Offers innovative features and a modern user interface with various improvements. Faster boot process and performance as for the battery life. Introducing the new Edge browser and personal assistant Cortana with speech recognition. Includes a start menu again as requested by the community. Starring the linux bash shell. Launched in July 2015, the Windows 10 Anniversary Update tweaked the overall experience for many features in August 2016. More about Windows 10

Windows 8

Successor of Windows 7 and uniquely defined by the Metro style user interface with touch screen support. Microsoft's vision for the future of computers hit the market in October 2012. Includes a dynamic Tiles-based interface and classic desktop. Optimized for modern hardware and increased battery runtime. Better boot time and resource allocations compared to Windows 7. Introducing Windows Store to install new applications. Better Search Function. More about Windows 8

Mac OS 9

Apple's major operating system for PowerPC from 1999. Mac OS means Macintosh Operating System and offers an innovative usability. Support for multiple users and login with Voice Verification feature. You can encrypt and decrypt files with Apple File Security. Search assistant Sherlock 2 has been improved. Last Classic environment Mac OS that have been discontinued at the end of 2001. More about Mac OS

Android OS

Dedicated operating system based on the linux kernel for mobil devices. Google bought Android Inc. from Andy Rubin in July 2005 to bring the free, open source mobile platform to the next level. Many smartphone ventors offer their own devices with a custom Android operating system. Since first release in October 2008 it became fast the leading operating system for mobile devices with a share of 43.4% (Gartner, 2nd Q2011) and 86.2% (Gartner, 2nd Q2016) for all sold mobile units. More about Android OS

Debian GNU/Linux

One of the major linux distributions focusing on stability and security, initiated by Ian Murdock on 16th August 1993. Focusing on non-commercial targets, the community and true GPL software. You can chose between various desktop environments and thousands of applications. This operating system is compatible to a wide range of computers and architectures. More about Debian GNU/Linux


Licensed commercial OS/2 operating system, developed by Serenity Systems since the year 2000. Fully compatible to IBM OS/2, DOS and Windows 3.1 programs to run on modern hardware. This operating system is used in 2016 by businesses to run their existing specialized programs. Since 2013, B.V. is the owner and distributor of the eComStation software and brand. More about eComStation



Official open-source successor of BeOS to rewrite the source code from scratch or use existing open-source code like the Tracker and Deskbar that power the BeOS desktop. Formerly started on 18th August 2001 as OpenBeOS, it was renamed to Haiku in 2004. Lean design and fast responsiveness for the BeOS consumer experience. The operating system is in alpha development since version R1/Alpha 4.1 in November 14th, 2012. More about Haiku

Windows 7

Successor of Windows Vista released in October 2009. The user benefits from its performance improvements, new program functions and recent hardware support. Tweaks to the taskbar, libraries and Aero interface improves the usability. One of the most famous Windows releases with a market share of 57% in 2015. More about Windows 7

Windows ME

Windows Millennium Edition was released on September 14th, 2000 as successor of Windows 98 Second Edition and designed for consumers. It benefits from improved stability and new features like System File Protection and System Recovery. This version was perceived as a stopgap till the next major release Windows XP and far less popular. More about Windows ME


Commercial BeOS distribution developed by yellowTAB from Germany, later exclusively by magnussoft. A license was acquired from Palm to use and develop the BeOS source code. First release of the Zeta Neo operating system was in Oct. 2004, the development and sale stopped on 5th of April 2007. More about Zeta


Real time operating system with microkernel and compatibility to POSIX standard. This operating system is developed by QNX Software Systems and has strengths in development of software, control of industrial roboters, automotive and embedded devices. More about QNX


Reduced Instruction Set Computer Operating System was first used in Acorn Archimedes computers in 1987. RISC OS is a ROM based operating system but not limited to. Very efficient in usability and energy consumption. RISC OS 6.20 is the latest release from December 2009. More about RISC OS