List of the Top 9 Application Delivery Controllers (ADC) for Linux in 2025

SKUDONET offers IT executives an affordable solution that emphasizes ease of use and adaptability, ensuring optimal performance and security for IT services. With this innovative platform, you can seamlessly improve the security and reliability of your applications through an open-source ADC, allowing for significant cost savings and unparalleled flexibility within your IT framework. This approach not only streamlines operations but also empowers organizations to respond swiftly to changing technology needs.

Our ADC solution is crafted to elevate your online services, enhancing performance, security, and dependability significantly. It guarantees smooth traffic management and optimal resource usage while offering robust defenses against cyber threats. With our ADC solution, you gain extensive scalability and remarkable availability for your applications, services, and networks. It boasts multi-core compatibility, supports unlimited throughput, and accommodates numerous connections and farms, all while being specifically optimized for multi-core environments. There is no need for installation, enabling swift production consolidation and effortless deployment. The integration into your existing infrastructure is straightforward, promoting a cost-effective and efficient setup. By utilizing shared hardware resources, you can cut down on expenses related to physical equipment, making it a financially savvy choice. Additionally, it is equipped to support 64-bit platforms, which enhances performance and creates a strong operational environment. This architecture allows for a greater allocation of performance resources compared to its counterparts, ensuring that your services run smoothly and efficiently. Ultimately, our ADC solution positions your organization for future growth and resilience.

Fortinet emerges as a key global player in the cybersecurity sector, notable for its comprehensive and integrated approach to safeguarding digital infrastructures, devices, and applications. Founded in 2000, the organization provides a wide range of products and services, including firewalls, endpoint protection, intrusion prevention systems, and secure access solutions. A cornerstone of its offerings is the Fortinet Security Fabric, a unified platform that seamlessly combines various security tools to enhance visibility, automation, and provide real-time threat intelligence across the entire network. Renowned for its dependability among businesses, government agencies, and service providers worldwide, Fortinet prioritizes innovation, scalability, and performance, thereby reinforcing its defenses against the constantly shifting landscape of cyber threats. In addition to its protective capabilities, Fortinet’s dedication to enabling digital transformation and ensuring business continuity highlights its essential role within the cybersecurity landscape, positioning itself as a trusted partner for organizations striving to navigate modern security challenges effectively. With a focus on proactive measures and cutting-edge solutions, Fortinet continues to adapt and evolve to meet the demands of an increasingly complex digital world.

Our engineering team excels in industries where uninterrupted service is essential. Since the year 2003, we have established a strong reputation for providing highly reliable applications that are not only simple to implement but also easily scalable, earning the trust of solution partners, system integrators, and end-users. By prioritizing the development of enduring relationships with top-tier solution providers in fields such as healthcare, storage, and printing, we are able to gain a comprehensive insight into the technical and business needs of both our partners and their clients. This commitment leads to unmatched levels of operational continuity and customer satisfaction, ensuring that businesses can thrive without interruptions.

Our technology is designed to be incredibly user-friendly while still maintaining high performance and a full range of features. We complement this with outstanding support and a commitment to fair, affordable pricing. Our solutions cater to everyone, from ambitious small startups with limited resources to large global corporations, and we appreciate each one of them! With straightforward options like Load balancing, WAF, GSLB, and SSO/Pre-Authentication, you can easily integrate our offerings. Moreover, we proudly present the only genuine ADP Application Delivery Platform that enables you to enhance both functionality and longevity through our app store or applications developed internally. This versatility ensures that all users can tailor the technology to meet their specific needs effectively.

NGINX Open Source powers more than 400 million websites around the world. Building on this robust foundation, NGINX Plus functions as an all-in-one software solution that combines load balancing, web serving, and content caching capabilities. By choosing NGINX Plus over conventional hardware load balancers, businesses can explore innovative opportunities without the constraints of traditional infrastructure, resulting in savings exceeding 80% while still achieving excellent performance and reliability. This versatile platform can be deployed across various settings, which include public and private clouds, bare metal servers, virtual machines, and containerized environments. Furthermore, the built-in NGINX Plus API streamlines the completion of routine tasks, thereby boosting operational efficiency. In an era where agility is essential, today's NetOps and DevOps teams require a self-service, API-centric approach that integrates smoothly with CI/CD workflows, which not only accelerates application deployments but also enhances the management of application lifecycles. As technology continues to advance rapidly, NGINX Plus emerges as an indispensable resource for improving operational flexibility and optimizing the use of available resources. It is a pivotal asset for organizations aiming to stay competitive in a fast-paced digital world.

NGINX Unit is a flexible web application server that consolidates various components of the standard application stack into one cohesive unit, thereby optimizing the architecture for both web applications and APIs. Serving as a universal platform, it supports a wide range of web environments, from extensive enterprise applications to individual personal sites. Its strength lies not only in facilitating modern microservices architectures but also in the ability to modernize legacy monolithic applications. Crafted by the original creators of NGINX, this innovative platform is constructed from a brand-new open-source codebase. The design benefits from over a decade of insights gained from managing the world's most popular web server. Unlike the conventional NGINX web server, which primarily operates as a reverse proxy for web applications, NGINX Unit can directly run application code, offering a distinctive advantage. This capability makes it particularly appealing to developers aiming to boost both performance and operational efficiency, ultimately positioning NGINX Unit as a valuable tool in the arsenal of modern web development.

Managing application delivery at scale presents various challenges, yet NetScaler streamlines this task effectively. Whether your operations are entirely on-premises, completely cloud-based, or situated in a hybrid model, NetScaler ensures seamless functionality across all environments. Built on a unified code base, its architecture guarantees that performance remains consistent, whether utilizing hardware, virtual machines, bare metal, or containers. Regardless of whether your user base includes hundreds of millions of customers or just hundreds of thousands of employees, NetScaler promises dependable and secure application delivery. Recognized as the leading application delivery and security solution among the world's largest enterprises, NetScaler is relied upon by thousands of organizations, with over 90 percent of the Fortune 500 counting on it to provide high-performance application services, strong application and API security, and exhaustive visibility into all operations. This extensive reliance highlights NetScaler's crucial importance in the contemporary digital landscape, emphasizing its role in not just meeting but exceeding user expectations.

The SUSE Cloud Application Platform offers a modern approach to application delivery that significantly improves the cloud-native developer experience on Kubernetes, which has emerged as the go-to choice for enterprise container orchestration. By eliminating the necessity for manual IT configurations, this platform speeds up innovation, enabling applications to reach the market more quickly. Developers can autonomously deploy applications to the cloud within minutes, rather than taking weeks, all while remaining compliant with IT standards and minimizing the demand on scarce IT resources for configuration. This efficient method of application delivery fosters increased business agility, promoting cooperation among development, operations, and DevOps teams. Furthermore, developers can boost their productivity through a straightforward one-step deployment process tailored for cloud-native applications, allowing them to use the most appropriate language and framework for their specific projects. By leveraging cutting-edge open-source technologies, organizations can enhance their return on investment while making the most of their existing resources and infrastructure. Ultimately, the SUSE Cloud Application Platform equips businesses to innovate more swiftly and effectively in the rapidly changing digital environment, reinforcing the importance of adaptability in today's market. This capability to respond to change is vital for maintaining a competitive edge and meeting customer demands promptly.