OpenSolaris is described as 'Was an open source operating system based on Sun Microsystems Solaris. It was also the name of the project initiated by Sun to build a developer and user community around it' and is a operating system in the os & utilities category. There are more than 25 alternatives to OpenSolaris for a variety of platforms, including Linux, Windows, Self-Hosted, BSD and Mac apps. The best OpenSolaris alternative is Linux Mint, which is both free and Open Source. Other great apps like OpenSolaris are Ubuntu, Debian, Fedora and Arch Linux.
Linux distribution focused on desktop use, with unique menus, media codecs, browser plugins, and DVD support pre-installed; offers easy package management, compatibility with Ubuntu repositories, and a Debian-based alternative for consistency and reliability.
Ubuntu is a community developed, Linux-based operating system that is perfect for laptops, desktops and servers. It contains all the applications you need - a web browser, presentation, document and spreadsheet software, instant messaging and much more.
The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system that we have created is called Debian.
Fedora creates an innovative, free, and open source platform for hardware, clouds, and containers that enables software developers and community members to build tailored solutions for their users.
Arch Linux is an independently developed, x86_64 optimized GNU/Linux distribution targeted at competent Linux users. It uses pacman, its home-grown package manager, to provide updates to the latest software applications with full dependency tracking.
elementary OS is a free, fast and aesthetically pleasing operating system based on Ubuntu .
openSUSE is a free and Linux-based operating system for your PC, Laptop or Server.
A Unix-based OS for Mac with seamlessly integration with Apple’s ecosystem, offering an intuitive UI, productivity tools like Finder, Spotlight, and Automator, built-in apps like Safari and Photos, Continuity for cross-device functionality, and security features including FileVault and Gatekeeper.
Kubuntu is an official "flavor" of Ubuntu that uses the KDE Plasma desktop environment. This gives it a completely different look and feel.
FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of...
ReactOS™ is a FOSS effort to develop a quality operating system based on the architecture of Microsoft® Windows™ NT family of operating systems, that is compatible with applications and drivers written for it (NT4, 2000, XP, 2003, Vista, 7).
Gentoo Linux is a versatile, fast, highly configurable and completely free Linux and FreeBSD distribution geared towards developers and network professionals.
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This is Linux, openSolaris was/is UNIX