Best Free Load Balancing Software 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.

Google Cloud Platform offers advanced load balancing solutions that efficiently allocate traffic across various resources, ensuring optimal performance and high availability. With features like Google Cloud Load Balancing, applications can automatically scale to accommodate significant traffic demands. GCP's global load balancing capabilities allow organizations to provide seamless and rapid user experiences, even during periods of high demand. New users can take advantage of $300 in free credits, enabling them to test, run, and deploy workloads while assessing the platform's load balancing functionalities in a budget-friendly way. Additionally, GCP's intelligent routing capabilities prioritize traffic to the nearest available resources, minimizing latency and enhancing overall performance. These solutions empower businesses to effectively manage sudden traffic increases without sacrificing the quality of user interactions.

OpManager offers an extensive suite of tools for monitoring and managing load balancers, guaranteeing peak performance and resource accessibility within the network. With its robust monitoring features, visualization options, and alerting systems, it ensures continuous availability and in-depth performance analysis, while also visualizing traffic flow in both directions through the load balancers. The user-friendly dashboards and graphical displays of OpManager deliver a thorough snapshot of network efficiency and resource usage.

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.

Cloudflare is the foundation of your infrastructure, applications, teams, and software. Cloudflare protects and ensures the reliability and security of your external-facing resources like websites, APIs, applications, and other web services. It protects your internal resources, such as behind-the firewall applications, teams, devices, and devices. It is also your platform to develop globally scalable applications. Your website, APIs, applications, and other channels are key to doing business with customers and suppliers. It is essential that these resources are reliable, secure, and performant as the world shifts online. Cloudflare for Infrastructure provides a complete solution that enables this for everything connected to the Internet. Your internal teams can rely on behind-the-firewall apps and devices to support their work. Remote work is increasing rapidly and is putting a strain on many organizations' VPNs and other hardware solutions.

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.

Evaluate your web application, REST API, and mobile application effortlessly with just three straightforward steps. Start by inputting your API endpoints or URLs for testing. Next, set up your load testing parameters, including the number of simultaneous users, testing duration, and bandwidth simulation requirements. Select from various global locations to initiate your load tests, and we will handle the rest! Once your tests are complete, your results will be readily available for review. You can analyze your data while the tests are ongoing, check JMeter logs, or save your findings as a PDF at any point. There's no need for installation; you can craft scenarios directly in your browser, all operated from the cloud. With a pay-as-you-go model, you can simulate hundreds of thousands of concurrent users from diverse locations and apply bandwidth simulations. As your tests progress, examine the results to identify any performance bottlenecks. Detailed reports can be downloaded anytime you need them. There’s no need for migration from JMeter, as you can import any JMX project into Frugal Testing and export it whenever you choose. Consistently enhance both your product and business operations with the insights gained from Frugal Testing, ensuring you are always moving towards success.

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.

IBM NS1 Connect offers premium, authoritative DNS & advanced traffic steering to deliver the high-performance, reliable, secure network connectivity that businesses need to meet increasingly sophisticated customer expectations through our: Global anycast network: Providing massive capacity & scale needed to keep users reliably connected across the world. API-first Architecture: Easily integrate & automate all NS1 Connect function. HTTPS Redirects: Manage every element of your HTTPS redirects from one platform. GSLB and RUM-based traffic steering: Balance loads at a global scale & reduce latency with near-real-time device performance data DDoS Attack Protection: Ensuring sufficient capacity to absorb traffic spikes & controls in place to guard against automated “junk” queries. NS1 Connect offers add-on options to suite your business needs including: DNS Insights: Providing the data you need to quickly identify & deal with misconfigurations impacting application performance. Dedicated DNS: Stay up & running with a native secondary DNS resolution infrastructure for seamless continuity of operations. DNS Traffic Steering: Optimize connections to applications, services & content based on geography, RUM data, load and more.

Ngrok serves as a versatile network edge solution that enhances your applications by integrating connectivity, security, and monitoring without requiring any modifications to your code. With ngrok, you can effortlessly add layers of security, scalability, and visibility to your applications, enabling you to securely expose your localhost to the internet. It facilitates the introspection and replay of requests, creating an efficient feedback loop. Additionally, ngrok allows seamless connections into customer networks, eliminating the need for cumbersome firewall configurations, VPN setups, or change requests. This makes ngrok the quickest method to launch your application online. Operating a globally distributed reverse proxy, it effectively manages your web services regardless of whether they are hosted in the cloud or secured behind firewalls. Furthermore, ngrok provides an intuitive interface that simplifies the entire process, making it accessible even for those with limited technical expertise.

NGINX as a Service (NGINXaaS) on Azure is a comprehensive managed solution that seamlessly merges the advanced traffic services of NGINX with the Microsoft Azure environment. It allows for easy migration, extension, or relocation of current NGINX workloads to the cloud, significantly aiding organizations in reducing costs while enhancing flexibility and ensuring consistent security and performance across both on-premises and Azure cloud applications. This service empowers application developers to deploy uniform applications directly from the Azure Marketplace, requiring only a few simple clicks within the console. Users can conveniently deploy and oversee NGINXaaS through the Azure Portal, which features essential integrations like Azure Monitor and Azure Key Vault to facilitate SSL/TLS certificate management. With a smooth lift-and-shift process for existing NGINX configurations, organizations can transition or enhance their workloads in the cloud efficiently and effortlessly, fostering innovation and agility in their operations. By leveraging this service, companies can better focus on their core business objectives while ensuring their applications perform optimally in a cloud environment.

NGINX Open Source is the web server that supports over 400 million websites globally. Built upon this foundation, NGINX Plus serves as a comprehensive software load balancer, web server, and content caching solution. By opting for NGINX Plus instead of traditional hardware load balancers, organizations can unlock innovative possibilities without being limited by their infrastructure, achieving cost savings of over 80% while maintaining high performance and functionality. It can be deployed in a variety of environments, including public and private clouds, bare metal, virtual machines, and container setups. Additionally, the integrated NGINX Plus API simplifies the execution of routine tasks, enhancing operational efficiency. For today's NetOps and DevOps teams, there is a pressing need for a self-service, API-driven platform that seamlessly integrates with CI/CD workflows, facilitating faster app deployments regardless of whether the application utilizes a hybrid or microservices architecture, which ultimately streamlines the management of the application lifecycle. In a rapidly evolving technological landscape, NGINX Plus stands out as a vital tool for maximizing agility and optimizing resource utilization.

Array APV Series application delivery controllers are crucial for ensuring the availability, scalability, performance, security, and management needed to maintain applications and servers operating within optimal conditions. They incorporate both local and global server load balancing, along with link load balancing, to guarantee maximum resilience for your applications. Additionally, features such as connection multiplexing, SSL offloading, caching, and compression collaborate to create the quickest possible experience for end-users. By establishing connections on APV Series ADCs, applications benefit from the protective measures of Array’s WebWall® application security suite. These controllers are offered as physical or virtual appliances and can also be deployed on popular public cloud platforms. Designed to fulfill technical specifications, Array ADCs remain user-friendly for IT teams of any size and are cost-effective for businesses of all scales, ensuring that every organization can enhance its application delivery capabilities effectively. Ultimately, this versatility makes them an invaluable asset for optimizing application performance and security.

HAProxy Enterprise, the industry's most trusted software load balancer, is HAProxy Enterprise. It powers modern application delivery at all scales and in any environment. It provides the highest performance, observability, and security. Load balance can be determined by round robin or least connections, URI, IP addresses, and other hashing methods. Advanced decisions can be made based on any TCP/IP information, or HTTP attribute. Full logical operator support is available. Send requests to specific application groups based on URL, file extension, client IP, client address, health status of backends and number of active connections. Lua scripts can be used to extend and customize HAProxy. TCP/IP information and any property of the HTTP request (cookies headers, URIs, etc.) can be used to maintain users' sessions.