Best Load Balancing Software for Linux of 2025

SKUDONET provides IT leaders with a cost effective platform that focuses on simplicity and flexibility. It ensures high performance of IT services and security. Effortlessly enhance the security and continuity of your applications with an open-source ADC that enables you to reduce costs and achieve maximum flexibility in your IT infrastructure.

OpManager offers extensive monitoring and management features for load balancers to ensure network resources' optimal performance and availability. It provides constant availability, detailed performance monitoring, inbound and outbound traffic analysis through load balancers, and visualizations to delve into connection, traffic, and availability metrics. OpManager's intuitive dashboards, graphical representations, and color-coded metrics offer a comprehensive view of network performance and resource usage.

The cloud load balancer from Kamatera combines different distribution techniques to distribute server traffic and workload evenly. Its virtual, high-availability, and scalable features improve user response times and performance by routing incoming traffic to available servers. Your system's stability will never be compromised, allowing you to complete your tasks even during peak usage times. Our cloud load balancer can handle multiple requests at once, regardless of how many servers you have. It uses HTTP, TCP and UDP to reroute traffic to servers available to respond. Kamatera’s cloud load balancer not only manages high traffic but also stabilizes performance in the unlikely event of server failure. It immediately shifts your workload onto live servers to eliminate any downtime. We also execute rules that automate responses based on traffic conditions and available server.

Fortinet, a global leader of cybersecurity solutions, is known for its integrated and comprehensive approach to safeguarding digital devices, networks, and applications. Fortinet was founded in 2000 and offers a variety of products and solutions, including firewalls and endpoint protection systems, intrusion prevention and secure access. Fortinet Security Fabric is at the core of the company's offerings. It is a unified platform which seamlessly integrates security tools in order to deliver visibility, automate, and real-time intelligence about threats across the network. Fortinet is trusted by businesses, governments and service providers around the world. It emphasizes innovation, performance and scalability to ensure robust defense against evolving cyber-threats while supporting digital transformation.

Our ADC solution is designed to take your online services to new levels of performance, security, and reliability. It ensures seamless traffic distribution and resource utilization as well as enhanced protection against cyber threats. Our ADC solution provides you with massive scalability and high availability for your services, apps, and networks. Multi-core compatibility, unlimited throughput, connections and farms, and optimized to support multi-core. Installation is not required, allowing for a rapid consolidation of production and a seamless deployment. Integrate easily into your infrastructure for a cost-saving and productive setup. Shared hardware resources can reduce costs associated with physical equipment, making this a budget-friendly solution. Ready for 64-bit platforms to provide better performance, and a robust environment. It allows for more performance resources than other architectures.

Haltdos ensures the 100% high availability of your website/web services by providing intelligent Web Application Firewall and application DDoS mitigation, Bot Protection, SSL offloading, Load Balancing solution over the public and private cloud that monitors, detects, and automatically mitigates a wide range of cyber-attacks including OWASP top 10 and Zero-day attacks, without requiring any human intervention.

Our engineers are specialists at working in sectors where zero downtime is critical. Since 2003, we’ve been building a reputation for delivering ultra-reliable, easy to deploy and effortlessly scalable applications that are trusted by solution partners, system integrators and end-users alike. Our focus on forming long-lasting partnerships with industry-leading solution providers in healthcare, storage and print, requires an in-depth understanding of both our partners and their clients’ technical and business practices. The result: unprecedented levels of uptime.

Inlab Networks has developed BalanceNG, a reliable multithreading software load-balancer. Available for Linux, Solaris, and Mac OS X operating systems, BalanceNG is easy to integrate into data center networks. It offers top quality packet processing performance and makes this the ideal solution for hosting companies, network operators, product designers, and telco product developers. Inlab Networks' BalanceNG comes with a highly-specialized IP stack for IPv6/IPv4 and an independent active/passive Cluster environment that is based upon VRRP and the "bngsync” session table synchronization protocol.

We offer the most user-friendly technology without sacrificing performance or features. We back it up with exceptional support and care delivered under a fair, cost-effective pricing model Our technology is used by small startups with big ideas, small budgets, and global enterprises. We love them all! Easy to use Load balancing, WAF, GSLB and SSO/Pre-Authentication. It is also the only true ADP Application Delivery Platform that allows for the enhancement of functionality and longevity using the app store or apps you create in-house.

RadView WebLOAD is a leading enterprise AI-based performance and load testing solution for testing web, mobile, and packaged applications. It supports over 150 protocols and technologies, including all common front-end frameworks, APIs, message queues, and databases, enabling load testing across any enterprise technology stack. RadView WebLOAD.AI, is available as SaaS and can also be self-hosted in the cloud or on-premise. It is highly scalable and can simulate hundreds of thousands of concurrent users from different locations and cloud platforms. Smart and easy generation of reliable tests and its powerful AI-based analytics capabilities, RadView WebLOAD makes performance teams highly successful in detecting and quickly resolving performance issues. With built-in integration into most of the popular Testing, CI/CD and APM tools, as well as a rich API that makes it easily pluggable into any delivery pipeline. Adding its built-in flexible deployment, it makes RadView WebLOAD easily adaptable into any development, testing, or operation environment, and processes.

NGINX Open Source: The open source web server that powers more than 400 million websites. NGINX Plus is an open-source software load balancer, webserver, and content cache. It was built on top NGINX. NGINX Plus offers enterprise-grade features that are not available in the open-source offering. These include session persistence, configuration via API and active health checks. NGINX Plus can be used instead of your hardware loadbalancer to allow you to innovate without being restricted by infrastructure. You can save more than 80% over hardware ADCs without sacrificing functionality or performance. You can deploy anywhere: public cloud or private cloud, baremetal, virtual machines, containers, or virtual machines. You can save time with the NGINX Plus API, which automates common tasks. Modern app teams require an API-driven platform that integrates seamlessly into CI/CD workflows. It can be used to automate app deployment, whether you have a hybrid or microservices architecture. It also makes app lifecycle management simpler.

Varnish Software's powerful caching technology allows the largest content providers in the world to deliver lightning-fast streaming and web experiences for large audiences without any downtime or loss of performance. Our solution combines open source flexibility with enterprise robustness to speed media streaming services, accelerate websites, APIs, and allow global businesses to create custom CDNs. This will unlock unbeatable content delivery performance, resilience, and customization. Varnish Enterprise is the core technology available: - on-premise - Cloud - Hybrid environments Hulu, Emirates, and Tesla are among our customers. Our technology is powered with a caching layer that's trusted worldwide by more than 10,000,000 websites.

Software load balancer, reverse proxy and web server with enterprise features and support. NGINX Plus is a favorite of modern app infrastructure and developers. NGINX Plus is more than just a web server. It adds enterprise-grade features such as high availability, active health checks and DNS system discovery to NGINX OpenSource. NGINX Plus is an easy-to-use, cloud-native reverse proxy, loadbalancer, and API gateway. NGINX Plus provides the five-star support that you expect from NGINX, whether you need to integrate advanced monitoring or strengthen security controls or orchestrate Kubernetes container deployments. NGINX Plus offers high availability and scalable scaling, as well as monitoring to assist in diagnosing and debugging complex applications. To prevent problems, active health checks monitor upstream servers to detect any issues.

Advanced cyber-security services to ensure your application delivery. We don't believe in limits on core, memory, or throughput. Our ADC solution uses the most resources. Open high technology is what we research and develop. It provides the highest performance, scalability, and high availability. We create user interfaces and user experience to simplify application reliability technology. Our agile team is available to help you make your life easier and solve your problems. Some of the most important achievements include the establishment of a global partnership network, the challenger brand status in market analysis rankings, working with companies and organizations from over 50 countries, and the deployment of more than 100,000 ZEVENET.

Eddie is a high-availability clustering tool. It is 100% open-source software and can be used for Solaris, Linux, and *BSD. Certain servers are designated Front End Servers at each site. These servers are responsible to distribute incoming traffic through designated Back End Servers and track the availability of Back End Web Servers within each site. Back End Servers can support Apache and a variety of other Web servers. The Enhanced DNS server provides load balancing and monitoring site accessibility for geographically dispersed web sites. This allows for 24/7 access to all the site's available resources, regardless of where they are located. The Eddie white papers outline the Eddie approach and describe the need for Eddie products.

It can be difficult to deliver applications at scale. NetScaler simplifies the process. On-premise is the way to go. Cloud is the future. Hybrid is good. NetScaler will work the same on any platform. NetScaler uses a software-based architectural design, which means that it will behave the same regardless of the ADC form factor. NetScaler can help you deliver applications to hundreds or millions of users, whether they are consumers, employees, or both. NetScaler has become the platform of choice by the world's biggest companies for application delivery and security. NetScaler is used by thousands of organizations around the world, including more than 90 percent Fortune 500 companies, for high-performance app delivery, comprehensive API and application security, and end to end observability.