macOS Big Sur
macOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy. Unparalleled power. Legendary ease of use. Limitless creativity. macOS Big Sur brings a refined new design that gives you even more of the things you love about Mac. From full-height sidebars to refreshed toolbars, a clean new app design makes sure your content is always front and center. A sleek design update makes getting to your favorite apps even easier. And a new uniform shape for app icons adds consistency while letting the personality of Mac shine through. A new design combines notifications and widgets in a single view for more information at a glance.
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NetBSD
NetBSD is a free, fast, secure, and highly portable Unix-like Open Source operating system. It is available for a wide range of platforms, from large-scale servers and powerful desktop systems to handheld and embedded devices. NetBSD was originally released in 1993. Over time, its code has found its way into many surprising environments, on the basis of a long history of quality, cleanliness, and stability. The NetBSD code was originally derived from 4.4BSD Lite2 from the University of California, Berkeley. NetBSD is an entirely free and open-source UNIX-like operating system developed by an international community. It isn't a "distribution" or variant but has evolved over several decades to be a complete and unique operating system in the BSD family. NetBSD users enjoy a simple, well-documented, and fully integrated UNIX-like system that feels minimal, and in many ways traditional, while including many modern and interesting features, and support for recent hardware.
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Chromium OS
Chromium OS is an open-source project that aims to build an operating system that provides a fast, simple, and more secure computing experience for people who spend most of their time on the web. Here you can review the project's design docs, obtain the source code, and contribute. We think of Chromium as a tabbed window manager or shell for the web rather than a browser application. We avoid putting things into our UI in the same way you would hope that Apple and Microsoft would avoid putting things into the standard window frames of applications on their operating systems. The tab is our equivalent of a desktop application's title bar; the frame containing the tabs is a convenient mechanism for managing groups of those applications. In future, there may be other tab types that do not host the normal browser toolbar.
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KDE Plasma
Use Plasma to surf the web, keep in touch with colleagues, friends and family; manage your files, enjoy music and videos; and get creative and productive at work. Do it all in a beautiful environment that adapts to your needs, and with the safety, privacy-protection and peace of mind that the best Free Open Source Software has to offer. The Plasma Launcher lets you quickly and easily launch applications, but it can do much more – convenient tasks like bookmarking applications, searching for documents as you type, or navigating to common places help you getting straight to the point. With a history of recently started programs and opened files, you can return to where you left off. It even remembers previously entered search terms so you don’t have to. Plasma is made to stay out of the way as it helps you get things done. But under its light and intuitive surface, it's a powerhouse. So you're free to choose ways of usage right as you need them and when you need them.
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