Popular alternatives include BalanceNG, Snapt Balancer, Array APV Series Load Balancers, Google Cloud Load Balancing and HAProxy Enterprise Edition.
Key factors include Authentication, Automatic Configuration, Content Caching, Content Routing, Data Compression and pricing.
Tools like NGINX Plus, ManageEngine OpManager, Loadbalancer.org, LoadMaster and Array APV Series Load Balancers are best for small businesses for Load Balancing Software.