List of the Top 25 SaaS Operating Systems in 2025

If your computer operates on OS X Mavericks or a subsequent version, you can proceed to install macOS Catalina. Your Mac must also possess at least 4GB of RAM and a minimum of 12.5GB of available storage space; however, if you're transitioning from OS X Yosemite or an earlier edition, you may require as much as 18.5GB of free storage. To take full advantage of the latest enhancements while preserving your Mac's security, stability, compatibility, and performance levels, it's crucial to keep your software up to date. Apple recommends that users consistently utilize the most current macOS version that is compatible with their devices. The earliest version of macOS that can be installed on your Mac is the one that was originally pre-installed. For example, a Mac that originally came with macOS Big Sur cannot be downgraded to macOS Catalina or any prior versions. If a specific macOS version isn't compatible with your Mac, the App Store or installer will notify you, indicating that the version either doesn't suit your device or is too outdated for the current macOS version. This proactive approach helps users stay informed about their system's compatibility and available upgrade paths. Regular updates not only improve functionality but also enhance the overall user experience by ensuring access to the latest features and security improvements.

Parrot is an international consortium of developers and cybersecurity professionals working together to establish a cohesive set of tools that streamline their efforts, making them more efficient, standardized, dependable, and secure. Central to this endeavor is Parrot OS, a prominent GNU/Linux distribution built on Debian, which is specifically tailored to emphasize security and privacy. It boasts a comprehensive portable laboratory that caters to a wide array of cybersecurity tasks, including penetration testing, digital forensics, and reverse engineering. Furthermore, it supplies all essential tools for software creation and data safeguarding. Consistent updates guarantee that the system remains robust, with regular releases incorporating a variety of hardening and sandboxing enhancements. Users have complete authority over the platform, enabling them to download, share, and scrutinize the source code, as well as to modify it according to their needs. This system is dedicated to respecting your freedom, and this dedication is unwavering. The community is also encouraged to participate actively, fostering its growth while maintaining the core values of security and privacy for everyone involved. Together, they strive to create a safer digital landscape for all users.

Windows 7, launched by Microsoft in October 2009, is a personal computer operating system that has seen its official support end in January 2020. Although it may not be as current as Windows 10 or 11, many organizations still rely on Windows 7 for a variety of reasons. Transitioning to Windows 10 or 11 is highly recommended to benefit from enhanced security measures and improved functionalities. A significant number of users harbor nostalgic feelings for Windows 7, appreciating its straightforward and intuitive interface. This lingering attachment often complicates the decision to upgrade, as familiarity can be a powerful factor in user preference.

Discover a fast, free, and privacy-focused alternative to Windows and macOS that prioritizes user experience. This new version is built on a solid framework, featuring notable improvements throughout. Key updates include a complete redesign of the login and screen lock interfaces, a more intuitive initial setup process, significant modifications to System Settings, and enhancements to pre-installed applications, along with subtle tweaks to the desktop environment. Users can browse a diverse selection of both free and paid applications in the Application Center, where they can choose how much to contribute to independent developers. Each app is meticulously vetted by elementary to ensure it delivers a secure, native, and privacy-respecting experience. Increase your efficiency and focus with tools such as multitasking view, mini-screen mode, and the Do Not Disturb feature, which mutes notifications while you watch videos or play games. Furthermore, elementary OS comes pre-installed with a thoughtfully selected array of applications designed to meet your daily needs, maximizing the potential of your computer without the burden of unnecessary bloatware. With its focus on enhancing user experience, this operating system is dedicated to refining your workflow and boosting your overall productivity. Embrace a computing experience that prioritizes simplicity and efficiency, all while maintaining your privacy.

OS108 is a fast, clear, and secure desktop operating system built upon the NetBSD framework. The name has an interesting origin, as it relates to the fact that a byte is made up of binary bits grouped as 1s and 0s in sets of eight, while also referencing the distance between the Earth and the Sun, which is about 108 times the diameter of the Sun. We are always on the lookout for contributors who want to be actively involved in the project in various ways. Even if you don't have programming skills, there are many ways you can contribute, such as writing how-to guides, crafting user-friendly documentation, or engaging in support forums to help other users. Your participation can greatly enrich the community and enhance the overall experience for all members. Everyone's contribution, no matter the skill level, is valuable and helps foster a collaborative environment.

Security Onion is a powerful open-source solution designed for intrusion detection, network security monitoring, and log management. It provides a comprehensive set of tools that allow cybersecurity professionals to detect and mitigate potential threats across an organization's network. By combining technologies like Suricata, Zeek, and the Elastic Stack, Security Onion facilitates the gathering, assessment, and real-time visualization of security-related data. Its intuitive interface makes it easy to manage and analyze network traffic, security alerts, and system logs effectively. Moreover, it includes integrated resources for threat hunting, alert triage, and forensic investigations, enabling users to quickly identify potential security breaches. Designed for scalability, Security Onion is suitable for a wide variety of settings, from small businesses to large corporations. Users also benefit from ongoing updates and strong community support, which help them to continually improve their security measures and adapt to new and emerging threats. Overall, Security Onion represents an essential tool for those looking to bolster their network defenses.

Entsecure OS is an intuitive and secure operating system designed for various laptop models, enabling centralized oversight and control of inventory, user activities, and vulnerable systems from almost any location. It incorporates automated security upgrades, patch management, and software updates to facilitate smoother operations. Tailored with the user experience as a priority, it provides self-service tools that ease the demands placed on help desks. Furthermore, integrated automated solutions allow IT teams to significantly lighten their workload while boosting their operational capabilities. The system also includes insightful analytics, policy support, and reporting tools driven by a machine learning engine, which simplifies the analysis of usage trends. Its architecture emphasizes both security and straightforward deployment, assisting organizations in fulfilling compliance requirements while reducing IT expenditures. In addition, the OS comes with intrinsic features that support compliance efforts, such as policy management, automatic patch deployment, configuration management, centralized device oversight, and complete disk encryption. Ultimately, Entsecure OS streamlines IT management processes and empowers users to better manage their technology requirements. By improving both security measures and operational efficiency, it cultivates a more effective organizational atmosphere. Moreover, this approach not only enhances productivity but also encourages user confidence in managing their technological resources.

Red Hat Enterprise Linux is a powerful operating system tailored for business environments, boasting a wide range of certifications across various cloud platforms and numerous vendors. It provides a stable foundation that promotes uniformity across diverse settings while supplying users with crucial tools to expedite the delivery of services and workloads for multiple applications. By reducing deployment hurdles and costs, Red Hat Enterprise Linux accelerates the realization of value for critical workloads, promoting collaboration and innovation among development and operations teams in different environments. In addition, it strengthens hybrid cloud infrastructures by extending functionalities to edge locations, serving hundreds of thousands of nodes worldwide. Users have the ability to create optimized OS images for edge computing, limit disruptions due to OS updates, perform system updates more effectively, and take advantage of automatic health checks and rollback options. Moreover, specialized command line utilities are provided to facilitate inventory management and remediation tasks associated with subscription upgrades or migrations from other Linux distributions, ensuring a smooth and efficient transition. This adaptability not only empowers organizations to efficiently oversee their IT resources but also positions them to thrive in an ever-evolving technological landscape, making Red Hat Enterprise Linux a crucial ally in digital transformation.

CopperheadOS is a privacy-centric version of Android, developed by a company dedicated to delivering encrypted and secure smartphone experiences. It is specifically designed for the latest Pixel devices, providing a Google-free alternative that prioritizes user privacy and security. Incorporating a secure phone like CopperheadOS into your organization’s mobile security strategy can significantly enhance protection against common vulnerabilities. This operating system is compatible with a range of cutting-edge mobile security solutions to bolster defenses. Recognized as the most secure Android, CopperheadOS effectively safeguards against a variety of potential threats. Given that mobile devices often present easy targets for attackers, having robust security measures is crucial. Users can access Copperhead's detailed technical documentation to understand its features better. Furthermore, the platform offers a user-friendly experience that caters to those who prioritize security without requiring extensive technical knowledge. Importantly, CopperheadOS does not utilize Google Analytics or any tracking systems, ensuring user data remains private. It features application isolation and sandboxing for enhanced security, while also seamlessly integrating with the latest mobile device management software and intrusion detection systems. This comprehensive approach makes CopperheadOS a formidable choice for those seeking to enhance their mobile security posture.

Dependable servers play a crucial role in reducing customer attrition and facilitating increased server density, which in turn amplifies your profitability. The stability features embedded in CloudLinux OS efficiently address resource spikes, ensuring that your servers can maintain outstanding stability, even when faced with heavy demands. Furthermore, CloudLinux OS provides robust protection against potential attacks by virtualizing users' file systems, which helps prevent any leaks of confidential information. Its cutting-edge kernel-level technology effectively neutralizes all known symbolic link attacks, greatly enhancing the security of your servers. Securing outdated PHP versions is also vital, especially in scenarios where vulnerabilities may be present and patches are absent from the PHP.net community. By leveraging CloudLinux OS, you can substantially increase the number of users on a more reliable server while effectively managing resource constraints for each customer. In addition, you will have the ability to diagnose performance challenges through detailed insights into system bottlenecks, slow database queries, specific functions, or external calls, thereby ensuring optimal server functionality. This comprehensive strategy not only secures your infrastructure but also significantly improves the overall experience for users, promoting long-term satisfaction and loyalty. Ultimately, a stable and secure environment is key to thriving in a competitive market.

Stratodesk NoTouch, recognized as the leading Thin Client operating system and management software globally, is now accessible. This innovative solution merges NoTouch OS and NoTouch Center, enabling users to convert any PC, Thin Client, or Laptop into a centrally managed Thin Endpoint. With the ability to deploy NoTouch OS across thousands of devices in an instant, management becomes seamless through the Stratodesk NoTouch platform. Praised for its efficiency, NoTouch OS stands out as the premier option for Thin Client operating systems and management solutions. This lightweight operating system can be swiftly installed from your server onto desktops, laptops, thin clients, or even Raspberry Pi devices. Additionally, NoTouch Center serves as an exceptional tool for overseeing your VDI endpoints, enhancing your operational control and efficiency across various devices. The combination of these features makes Stratodesk NoTouch an invaluable asset for any organization seeking streamlined endpoint management.

IBM i is an integrated operating ecosystem developed by IBM, encompassing a comprehensive operating system, database, middleware, and an array of development tools. Tailored for creators and innovators, the latest version, IBM i 7.4, introduces continuous availability with IBM Db2 Mirror for i, enhancing user experience. This upgrade features advanced security protocols and smooth integration with emerging technologies such as IoT, AI, and Watson, ensuring that crucial applications remain operational without any downtime. The enhanced security measures comply with the most recent industry regulations, protecting essential business functions and confidential information. Additionally, a new object-level auditing feature has been implemented, alongside robust Open Source environments that support the migration of more applications to the IBM i platform. This system allows for seamless integration with IoT, AI, and Watson, thus enabling businesses to sustain productivity around the clock throughout the entire year. Users benefit from the ability to transfer virtual save media both to and from the cloud, which optimizes operational workflows. Moreover, the latest update simplifies the management of IBM i by consolidating common tasks, significantly enhancing user-friendliness and efficiency for organizations of all sizes. With these improvements, IBM i continues to evolve as a vital tool for modern businesses seeking to stay competitive in a rapidly changing technological landscape.

Speed up the implementation of your vital embedded systems with our commercial real-time operating system, extensive development resources, and specialized services. BlackBerry QNX delivers a reliable RTOS, hypervisor, and a comprehensive suite of embedded software tailored to boost your success across multiple applications. Our platform is the go-to option in sectors like medical technology, transportation, and automation, where it supports key devices such as ventilators, train control systems, and medical robotics. Whether your goal is to comply with safety regulations, enhance security measures, or improve performance metrics, our all-encompassing software solutions and tools can help you develop more trustworthy products. We stand ready to assist you in fortifying safety or security protocols, as well as optimizing your cross-platform development practices. By leveraging our RTOS and hypervisor crafted for embedded systems, including pre-certified versions, we can transform your groundbreaking ideas into tangible outcomes. Moreover, our modular microkernel architecture not only boosts reliability but also reduces redundant operating system development across a variety of products, making it an intelligent option for companies aiming to enhance their operational efficiency. Ultimately, we are dedicated to equipping your projects with the most effective tools at your disposal, ensuring that you achieve remarkable results. This commitment to excellence in embedded systems design sets the foundation for future innovations in various industries.

Oracle Linux offers a robust and open operating system environment that integrates virtualization, management, and cloud-native computing tools, all within a single support framework. It ensures complete binary compatibility with Red Hat Enterprise Linux, which allows for smooth application execution. Additionally, you can explore a catalog that features information about independent software vendors (ISVs) that have confirmed their applications are suitable for use with Oracle Linux and its virtualization options. Applications certified on Oracle Linux are designed to operate seamlessly across multiple environments, including on-premises setups, Oracle Cloud Infrastructure, and various other cloud services. Be sure to join the Oracle Tux Tech Talk webinar on July 28, where you can learn how to benchmark performance, delve into the benefits of the Unbreakable Enterprise Kernel (UEK), and discover which workloads gain from its improvements. This informative session is set to provide you with essential knowledge for enhancing your Linux applications, making it a valuable opportunity for both new and experienced users alike. Don't miss out on the chance to advance your understanding of these powerful tools.

To use the Handoff and Instant Hotspot features, an iPhone, iPad, or iPod touch with a Lightning connector is required, with Handoff needing at least iOS 8 and Instant Hotspot necessitating an iPhone or iPad with cellular capabilities and iOS 8.1 or newer, along with active Personal Hotspot service from your mobile provider. Additionally, for seamless AirDrop functionality among iOS devices, you should have a compatible iPhone, iPad, or iPod touch that runs on iOS 7 or higher and is equipped with a Lightning connector. To make video calls via FaceTime, a device featuring a built-in FaceTime camera, an iSight camera (either built-in or external), a USB video class (UVC) camera, or a FireWire DV camcorder is essential, as well as a stable broadband Internet connection to ensure the best quality. Such specifications are critical for users to fully leverage the diverse connectivity features their devices offer, enhancing overall user experience and versatility. Meeting these requirements allows for more effective communication and sharing capabilities across Apple devices.

macOS Mojave, also referred to as version 10.14, is the fifteenth version of macOS, which was formerly known as OS X, and it functions as the operating system for a variety of Apple Macintosh computers, including both desktops and laptops, as well as servers. This particular release is notable as the third one following the shift from the OS X title to the macOS designation. For users wishing to make audio calls, access to a built-in or external microphone is essential, along with a stable broadband Internet connection to ensure clear communication. When it comes to video calls, users must have either a built-in FaceTime camera, an iSight camera (which can be built-in or external), or a USB video class (UVC) camera, coupled with a dependable broadband Internet connection. Moreover, to take advantage of iCloud services, devices must adhere to certain specifications, which include having iOS 5 or newer for iPhone models from the 3GS onward, as well as compatible devices like the iPod touch (3rd generation and newer), iPad Pro, iPad Air or more recent models, and iPad mini or later versions. For Mac computers, the requirement is to run OS X Lion 10.7.5 or newer, while PCs should operate on Windows 7 or 8, needing either Outlook 2007 or a modern web browser for managing email, contacts, and calendars. As a result, these specifications are designed to help users effectively connect and fully utilize the diverse functionalities that macOS Mojave provides. Additionally, keeping these requirements in mind can enhance the overall user experience and ensure compatibility across various devices and applications.

Our platform empowers organizations to discover and share a variety of datasets linked to specific identifiers. We facilitate the development of flexible applications that can support multiple protocols, including Ethereum and Hyperledger, among others. You can manage blockchain nodes with differing sizes and functionalities tailored to your needs, whether you are acting as a validator or merely a read-only participant. Moreover, it is possible to connect to various protocols at the same time. By integrating data sources from different systems, you can record them on a single ledger for easier access. Generate verifiable proofs of existence while maintaining the integrity of sensitive information you control. You can link identity registries for individuals, groups, and devices, assigning universal blockchain IDs for better management. Establish user entitlements and roles across the network, guaranteeing that key-based authorization is enforced automatically. Safeguard user access with advanced security protocols based on PKI and hierarchical-deterministic (HD) identity structures. In addition, ensure that your organization’s identity and permission frameworks are aligned for uniform operation across all platforms. This holistic strategy not only simplifies data management but also significantly boosts security across a range of systems, adapting to the evolving needs of organizations.

As organizations accelerate their digital transformation initiatives, it becomes imperative for their security strategies to adapt in order to confront the complex and swiftly evolving threats of the modern landscape. The growth of network edges has led to a fragmented perimeter across their infrastructure, complicating security efforts. This rapid expansion has exacerbated the challenges created by years of deploying disparate security solutions, each designed to tackle specific problems without a unified strategy. Such isolated systems often struggle to integrate and communicate properly, making it difficult to establish consistent security policies and maintain comprehensive oversight. Moreover, the responsibility of managing and monitoring a diverse array of hybrid systems, hardware, software, and as-a-Service solutions places a significant strain on security teams. To effectively address these pressing issues, Fortinet's operating system, FortiOS, acts as the core of the Fortinet Security Fabric, amalgamating various technologies and applications into a cohesive policy and management framework that boosts overall security effectiveness. By utilizing this integrated approach, organizations can not only streamline their security measures but also cultivate a more agile and adaptive security environment. This transformation allows businesses to better respond to emerging threats while ensuring robust protection across their entire digital landscape.

Streaming is not merely an aspect of our services; it is the core of our mission. The Roku operating system (OS) has been carefully crafted to cater specifically to streaming television, aiming to deliver quick and easy access to your favorite forms of entertainment. Designed with user empowerment in mind, the Roku home screen brings your preferred content to the forefront, allowing for smooth navigation. A mere click connects you to your beloved channels, useful features like search, and immediate access to an array of outstanding free entertainment through the Featured Free section. Every detail of the Roku OS is focused on simplicity, guaranteeing a hassle-free setup and an intuitive home screen that anyone can use with ease. Your favorite shows and films are always just a moment away, and continuous automatic updates introduce new features that enhance your streaming experience over time. With a plethora of free entertainment choices at your fingertips, the Roku OS helps you make the most of your budget. You can take advantage of significant savings, accessing over 250,000 free movies and TV episodes, more than 150 live channels on The Roku Channel, alongside search results that highlight the best prices, enabling you to discover the content you love without breaking the bank. In an era overflowing with streaming possibilities, Roku stands out by offering a seamless solution that boosts both convenience and accessibility, ensuring that users can enjoy their entertainment effortlessly. Additionally, the commitment to constant improvement means Roku is always adapting to meet the evolving needs of viewers.

The Pavilion HyperParallel File System™ is the most efficient, compact, scalable, and adaptable storage solution available, enabling limitless scalability across multiple Pavilion HyperParallel Flash Arrays™ and achieving remarkable speeds of 1.2 TB/s for reading and 900 GB/s for writing, along with an astounding 200 million IOPS at just 25 microseconds latency per rack. This cutting-edge system is distinguished by its ability to offer independent and linear scalability for both performance and capacity, as Pavilion HyperOS 3 now features global namespace support for NFS and S3, which allows for seamless scaling across numerous Pavilion HyperParallel Flash Array units. Leveraging the power of the Pavilion HyperParallel Flash Array, users benefit from unparalleled performance levels and exceptional uptime. Additionally, the Pavilion HyperOS incorporates groundbreaking, patent-pending technologies that ensure data availability remains constant, allowing for rapid access that greatly outperforms conventional legacy arrays. This unique blend of scalability and performance solidifies Pavilion's status as a frontrunner in the storage sector, meeting the demands of contemporary data-centric environments. As the storage landscape continues to evolve, Pavilion remains committed to innovation and excellence, ensuring their solutions are always at the forefront of technology.

IBM® z/OS® utilizes the powerful features of the IBM Z® platform to drive business transformation and promote innovation. It ensures a secure and stable environment crucial for optimizing performance in critical operations while equipping organizations to meet future demands. This operating system is crafted for high security and scalability, making it well-suited for vital applications. The sophisticated IBM® z16™ platform accelerates decision-making processes and protects your operations against potential threats, all while seamlessly integrating into hybrid cloud environments. With IBM z/OS V2.5, companies can tap into state-of-the-art development capabilities to enhance their hybrid cloud and AI applications, alongside sophisticated technologies concentrated on security and resilience. Moreover, a continuous delivery model guarantees that new z/OS features are rolled out quarterly without sacrificing stability, complexity, or costs, which facilitates rapid application development and deployment in hybrid cloud ecosystems. The system also provides a modernized experience that simplifies installation and management tasks, thereby boosting operational efficiency. By leveraging these advancements, organizations can adopt a transformative strategy for their IT infrastructure, ensuring they stay ahead in an ever-changing digital landscape. Furthermore, this approach enables businesses to innovate consistently while maintaining the agility required to respond to market changes.

For businesses that demand the utmost in security, resilience, availability, and scalability while maintaining agility, ClearPath Forward is an essential platform for simplifying operations, managing costs, and driving digital transformation. Elevate your team’s capabilities, boost productivity, and expedite the digital advancement of your ClearPath Forward setup through a managed service solution that includes expertly managed, maintained, and optimized cloud hosting from Unisys. Create a strategic and actionable roadmap to adapt your applications to shifting requirements with the help of ClearPath Forward Advisory Services and ClearPath Forward Application Evolution Services. Utilize a wide range of advisory and implementation offerings designed to ensure a smooth transition of your ClearPath Forward environment to either private or public cloud solutions, allowing you to stay competitive in the fast-evolving market landscape. By engaging these services, organizations can realize a fluid integration of their systems into the contemporary cloud ecosystem, paving the way for future innovations. This proactive approach ultimately enables businesses to respond swiftly to market changes and customer needs.

The ClearPath MCP and ClearPath OS 2200 operating systems provide a robust and unified collection of software solutions designed specifically for overseeing your critical business functions. With these systems, you can effortlessly manage even the most demanding applications. They come equipped with a wide range of features such as enhanced security protocols, transaction management systems, various databases, and tools for integration and development. Furthermore, you can opt to license the operating environment separately, facilitating transaction processing across public clouds, private clouds, or your chosen server hardware. The diverse array of cross-platform software available within the ClearPath Forward ecosystem guarantees that you will have all the essential tools needed to improve and expand the capabilities of both the ClearPath MCP and ClearPath OS 2200 systems. This flexibility positions it as a perfect solution for organizations aiming to refine their technological framework. As a result, businesses can achieve greater efficiency and adaptability in their operations.

The evolving realm of operating systems that integrate Web3 and AI is poised to transform the industry, leveraging cutting-edge cyber security strategies and quantum-resistant innovations to deliver sustainable and economical solutions for the future. Our organization is leading this charge, dedicated to developing a resilient cyber-chain that will underpin our operating system, designed to promote a decentralized and secure work environment. Each individual will be recognized through a distinct and unalterable node across multiple applications, significantly improving both security and user interaction. By employing the latest advancements in AI and Web3 technologies, we aim to guarantee transparency, safety, and customized experiences for every user. Our ambition is to provide an advanced collection of decentralized operating systems, applications, and programs that will progressively supplant traditional operating systems and their related software. As we move forward, we foresee a world where technology not only fulfills user requirements but also adheres to ideals of sustainability and security, ultimately redefining how we interact with digital environments. This transformation is not just about technology; it's about creating a more equitable and secure digital future for everyone involved.

We are in the process of creating a groundbreaking operating system called Space OS that prioritizes user empowerment and control. This innovative platform allows individuals to expertly oversee their software while facilitating smooth interactions between applications, all enhanced by cutting-edge AI technology. Users will regain control of their data, enabling each application to curate its own distinct library, which can be modified, exported, or removed as desired. Furthermore, you have the option to design custom applications using simple prompts or tap into an extensive repository of apps developed by creators worldwide. The possibilities are endless as you delve into creating multifunctional apps, streamlining your creative processes, automating everyday tasks, and discovering a vast array of opportunities that elevate your online experience. Moreover, Space OS goes a step further by allowing you to tailor and share your innovations, ensuring that your individual preferences and requirements are always at the forefront of your digital journey. Ultimately, this operating system is not just a tool; it is a gateway to a personalized and enriched technological landscape.