Best Zen Load Balancer Alternatives & Competitors in 2025

A high performance free open source web server powering busiest sites on the Internet.

Key nginx features:

High Performance Efficiency Versatility Security

Open Source

use multiple internets at once

Key iNetFusion features:

Bandwidth Aggregation Network Redundancy Resource Management User-Friendly Interface

DCIM software reinvented.

Key Hyperview features:

Asset Management Asset Tracking RFID Energy Management Capacity Management

Try for free paid Free Trial $600.0 / Annually (300 Assets)

Amazon ELB automatically distributes incoming application traffic across multiple Amazon EC2 instances in the cloud.

Key AWS Elastic Load Balancing features:

Scalability Health Monitoring Security Flexibility

Reliable, High Performance TCP/HTTP Load Balancer

Key Haproxy features:

High Performance Reliability Flexibility Scalability

Eureka is a REST-based AWS service registry for resilient mid-tier load balancing and failover.

Microsoft Azure Traffic Manager allows you to control the distribution of user traffic for service endpoints in different datacenters.

Key Azure Traffic Manager features:

Geographic Distribution Automatic Failover Traffic Routing Methods Integration with Azure Services

Google Cloud Load Balancer enables users to scale their applications on Google Compute Engine.

Key Google Cloud Load Balancing features:

Global Load Balancing Scalability Integrated Security User-friendly Console

ScaleArc offers database performance monitoring software for SQL server, MySQL & Oracle. Ensure zero downtime & database scalability with no app changes.

Key ScaleArc features:

Improved Application Performance Zero Downtime Maintenance Ease of Deployment Real-time Analytics and Monitoring

Barracuda Load Balancer offers secure application delivery & load balancing.

Key Barracuda Load Balancer ADC features:

Comprehensive Application Security High Availability and Reliability Ease of Use Scalability

Automatic and on-demand traffic management.

Content delivery has never been simpler. Powered by a uniquely flexible caching technology, Varnish Software's content delivery products are indispensable.

Open Source

Layer 7 server load balancer

TSplus is the Best Remote Desktop Software and alternative to Citrix/TSE. Available from Windows 7 to W10 Pro and Server 2008 to 2019. Free download from the web.

Key TSplus features:

Cost-effectiveness Ease of Use Cross-Platform Support Customization