ZealOS is described as 'The Zeal Operating System is a modernized, professional fork of the 64-bit Temple Operating System. Guiding principles of development include transparency, full user control, and adherence to public-domain/open-source implementations' and is a operating system in the os & utilities category. There are more than 50 alternatives to ZealOS for a variety of platforms, including Linux, Self-Hosted, Windows, BSD and Raspberry Pi apps. The best ZealOS alternative is Linux Mint, which is both free and Open Source. Other great apps like ZealOS are Debian, Fedora, Arch Linux and Tails.
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.
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.
Tails is a Debian based live CD/USB with the goal of providing complete Internet anonymity for the user.
openSUSE is a free and Linux-based operating system for your PC, Laptop or Server.
Linux-based OS designed for familiar user experience, mimicking Windows or macOS, supports dual-boot, runs Windows apps via WINE, pre-installed essential software, customizable desktop layouts, broad hardware compatibility, and privacy-focused updates.
Kubuntu is an official "flavor" of Ubuntu that uses the KDE Plasma desktop environment. This gives it a completely different look and feel.
Manjaro is a user-friendly Linux distribution based on the independently developed Arch operating system. Within the Linux community, Arch itself is renowned for being an exceptionally fast, powerful, and lightweight distribution that provides access to the very latest cutting...
elementary OS is a free, fast and aesthetically pleasing operating system based on Ubuntu .
Versatile OS with universal app architecture, free first-year offer for Windows 7 and 8.1 users, redesigned mouse-touch UI, virtual desktop, Microsoft Edge, upgraded security, and enhanced graphics for gaming, supporting fingerprint and face recognition login.
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.
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I like macOS as an alternative to ZealOS because of its integration with the Mac hardware and thus taking advantage of the hardware security and macOS being very secure (full verified boot, Lockdown Mode, option to install apps only from the Mac App Store, sandboxing for App Store apps etc.) And you can just not use iCloud by signing in with Apple ID in the App Store not System Settings, and you can enable Advanced Data Protection if you use iCloud.