Kemp LoadMaster vs Loadbalancer.org comparison

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Kemp LoadMaster

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Executive SummaryUpdated on Dec 17, 2024

Kemp LoadMaster and Loadbalancer.org compete in the load balancing solutions category. Kemp LoadMaster holds an edge with competitive pricing and exceptional support, while Loadbalancer.org is more feature-rich, offering advanced capabilities that justify its cost.

Features: Kemp LoadMaster provides ease of use and deployment with configuration templates for Microsoft applications such as Exchange and Skype for Business, along with Azure integration. It offers intuitive security features like Intrusion Prevention and Web Application Firewall. Loadbalancer.org excels in scalability and load balancing, efficiently managing data loads and offering customizable options.

Room for Improvement: Kemp LoadMaster could improve its documentation and GUI navigation. Loadbalancer.org needs enhancements in ease of setup and security features, particularly in handling sensitive data and better integration with other vendors.

Ease of Deployment and Customer Service: Kemp LoadMaster is noted for its straightforward on-premises and hybrid cloud deployment with comprehensive technical support. Loadbalancer.org provides reliable deployment options but may be complex during setup. Both companies are praised for knowledgeable technical support, with Kemp often highlighted for superior customer service.

Pricing and ROI: Kemp LoadMaster offers cost-effective solutions with flexible licensing, making it attractive for budget-conscious buyers while delivering significant ROI. Loadbalancer.org, though requiring more initial investment, maintains value through its robust capabilities and customizable options, ensuring a balance between cost and return.

To learn more, read our detailed Kemp LoadMaster vs. Loadbalancer.org Report (Updated: June 2025).

Kemp LoadMaster vs. Loadbalancer.org

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

Kemp LoadMaster

Ranking in Application Delivery Controllers (ADC)

9th

Average Rating

9.4

Reviews Sentiment

7.8

Number of Reviews

Ranking in other categories

No ranking in other categories

Loadbalancer.org

Ranking in Application Delivery Controllers (ADC)

12th

Average Rating

8.8

Reviews Sentiment

7.1

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of June 2025, in the Application Delivery Controllers (ADC) category, the mindshare of Kemp LoadMaster is 7.5%, up from 7.1% compared to the previous year. The mindshare of Loadbalancer.org is 3.7%, up from 3.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Application Delivery Controllers (ADC)

Q&A Highlights

reviewer1407621

Network security at a tech services company with 51-200 employees

Sep 15, 2021

Comparison Between Kemp LoadMaster and Load Balancer.org

1. Kemp Load Master only support SaaS whereas Loadbalancer.org support Windows, Mac & SaaS. 2. Both having Authentication, Automatic Configuration, Content Routing, Content Caching,Data Compression, Health Monitoring, Redundancy Checking etc facility.

A highly stable and scalable load-balancing software that offers great technical support

Featured Reviews

PeterForster

Senior Consultant at a tech services company with 51-200 employees

My company is really happy with Kemp LoadMaster as a product. My company is also happy with the support we receive from Kemp LoadMaster. I want Kemp LoadMaster to provide users with better reporting capabilities in relation to TCP packets. In general, the connections that are present in the system require improvement. Feature-wise, Kemp LoadMaster has everything that our company's customers require. Kemp LoadMaster also has features that have supported our company's past projects.

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Roger Seelaender

UCaaS Engineering Manager at EarthLink

Great WAF - low-maintenance solution that performs as advertised

The solution can be improved with the development of a SIP engine because it is difficult to manage SBCs. All SBCs are really tough to write rules for. If we could put this in front of an SBC to have the right rules to possibly block the traffic, that would be very helpful. The solution can also improve the relationship between Loadbalancer.org and Metaswitch, or now, Microsoft because Metaswitch was purchased by Microsoft. They both position themselves as certified but don't always talk to each other. I wish there would be closer integration between the solution and the vendors when either release new upgrades to their product line. Often we find issues on either end post upgrades.

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"The most valuable feature that I found is the load balancing feature, it is the core function of the product."

"It helps with efficiency and reactivity, in case of assistance needs."

"Simple to install with good documentation."

"It is an easy-to-use, user-friendly interface, and you can set up a new VIP in a couple of minutes."

"The DNS Load Balancer makes it so that I don't have to worry about site failures."

"The most valuable feature so far has been the high-availability options that allowed us to add an additional Kemp LoadMaster VLM virtual appliance into our VMware vSphere environment, to provide failover for our existing LoadMaster."

"One of the most valuable features I like is the ability to block specific cipher suites like RC4, and older protocols like SSL 3.0."

"The feature that allows us to easily disconnect a server when we need and bring back online is the most valuable. It's a click of a button. This allows us to keep all systems up. We can then run updates, perform reboots whatever we need to one of the servers without taking production down."

More Kemp LoadMaster pros

"Existing customers are trying to migrate from the physical F5 load balancer to the AVI load balancer because it is scalable and easily managed."

"The SSL Layer 7 load balancing is valuable."

"It's pretty much a Swiss Army knife for managing all the load balancing techniques."

"We now get notifications when pool members go down, and we eliminate our downtime by not sending traffic to downed pool members."

"We have about 30,000 connections going through at any one time and it's fine, it doesn't seem to sweat. It doesn't get overloaded."

"For now, it's stable."

"Loadbalancer.org is less complex than Citrix."

"The features I find valuable in this solution are the ease of managing the logs on the WAFs, the ease to identify break-in attempts into the network, the front-end firewall, and a more specific firewall."

More Loadbalancer.org pros

Cons

"I want Kemp LoadMaster to provide users with better reporting capabilities in relation to TCP packets. In general, the connections that are present in the system require improvement."

"They were still in the process of development, and for example, we set it up in a cluster. So it was one logistical unit built out of two physical devices. And the expected behavior, which I know from other devices, will be formed into a logic cluster. It's that you configure one unit. Then you bring the second unit into this cluster with the already configured primary unit. So the secondary box pulls all the configured ones from its neighbor, does everything automatically, and then synchronizes with this primary neighbor. And then it works, like, one logical unit. And this didn't work with the Kemp's initially, where they caused a lot of issues when building up a cluster, so there were some specials on how to set this up. When we built or set them up for the first time and the months afterward with no new software releases, there were a couple of problems, but in the end, they worked fine. So, they developed a lot and learned from what they've responded to, what we responded to them, and what needs fixing."

"There is room for improvement in the stability of the solution."

"It has all types of logs and they are very detailed, but it's a little bit hard to search for a single event."

"In my opinion, the layer seven loads balancing that we're mainly using for web servers, doesn't seem to pick up when there are issues at the application level."

"We experienced a brief period of instability."

"It would be very helpful to get all the http/https session logs by default in the log monitor without activating debugging mode like an apache web sever natively does"

"To make it a perfect ten out of ten it would need better connection logging. If there is an active connection, that there is better logging. It should also have better management monitoring tools."

More Kemp LoadMaster cons

"The configuration is somewhat complicated. Someone who does not know the solution may find this challenging."

"If I have to say something, I suppose they could add an automated configuration backup to an FTP location (or something similar) so you don’t have to manually do it. I don’t see this as a problem, of course, as the configuration rarely changes and we only need one backup, but maybe for other users that feature would be handy."

"You can run into an issue when one engineer passes the case over to another engineer after their shift and they don't know what the first engineer worked on up to that point."

"It doesn't have the bonding capability feature."

"The automatic refresh of the System Overview webpage: It sometimes has an extra webpage reload (after a change) before you see it is executed. This can be confusing."

"The interface from Loadbalancer.org should be improved."

"I'd like to see scalability improved; it can be costly."

"Possibly a more graphical overview page (with colors) to give a two second overview to see if everything is working fine."

More Loadbalancer.org cons

Pricing and Cost Advice

"Currently, no cost is involved with a virtual load balancer. They have used open source. We did not pay for software. We paid for the expertise. We are only paying the consulting charges, which are very reasonable, that is, around a thousand dollars."

"It has a great price for the solution they offer."

"This product has good value and features for the money."

"Any decent product will cost money and if you want great support and a great product, then you will want to spend the money on it."

"The license varies according to the number of megabits."

"The product definitely provides what the organization needs and its cost is reasonable considering the value it brings."

"KEMP gives away free trials for 30 days. This can be stretched if you want. During the test, you will have access to KEMP support."

"It has a very attractive ratio of price/performance."

More Kemp LoadMaster pricing and cost advice

"For now, it's stable."

"The solution requires an annual support license of $2,780 for four systems or $695 a year per unit for support not including the units."

"Licensing fees are paid annually."

"I love that they do not price on some arbitrary throughput rating where you are guessing at what the load balancer is going to handle."

"They're not the cheapest, not the most expensive, but I think value-wise, they're 100%."

"It's worth the cost. It's not cheap, but it's a good solution. If you're looking for a good solution, this is a good solution. Is it cheap? No. Is it worth the money? Yes, I think it is."

"It filled a requirement for our project, and it did so at lesser cost than their competitors."

"Loadbalancer.org is based on open-source products, but it requires money for support and other activities."

More Loadbalancer.org pricing and cost advice

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Answers from the Community

reviewer1407621

Network security at a tech services company with 51-200 employees

Sep 15, 2021

Comparison Between Kemp LoadMaster and Load Balancer.org

2 out of 5 answers

SaurabhPal

Technical Specialist - Network & Security at a tech services company with 201-500 employees

Aug 25, 2020

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Frank Yue

Principal Application Experience Architect at Kemp Technologies

Sep 16, 2020

Kemp LoadMaster is a vendor designed and supported load balancing platform focused on core load balancing technologies. Kemp supports server load balancing (SLB) and global server load balancing (GSLB). LoadMaster supports edge authentication including two-factor authentication, single sign on (SSO), Kerberos, and LDAP among other models. Kemp LoadMaster also has the ability to provide fully functional web application firewall (WAF) services. LoadMaster is a software-based solution available as a VM for all major hypervisors, cloud marketplace (AWS, Azure, etc.) and hardware. Kemp simplifies the load balancing technology through a simple to use GUI and over 80 templates for the most commonly used applications. Kemp is a global organization with 100,000+ deployments and the top rated load balancer on Gartner's Peer Insights with over 150 recent ratings: www.gartner.com/reviews/market/application-delivery-controllers LoadBalancer.org uses software based on opensource HAProxy and opensource Pound. LoadBalancer.org also utilizes other opensource projects such as STunnel and Ldirectord. You will get the features within the free HAProxy code (and others) with a LoadBalancer.org GUI. This information is documented in their current Administration Manual: http://pdfs.loadbalancer.org/loadbalanceradministrationv8.pdf This means that the functionality is dependent on the opensource community for updates and there will be a lag for these features to be rolled into LoadBalancer.org's product. From a performance perspective, both vendors probably have solutions to meet your needs. I also believe that both solutions can support the applications that you plan to load balance. The more important questions to ask yourself are 1) how easy it will be for you to configure and deploy the load balancing technology and 2) how painful will it be for you to manage and support the technology operationally. First, I believe that you will find both solutions relatively easy to deploy since both vendors focus on core load balancing functionality (SLB and GSLB). Having said that, Kemp offers pre-built application templates for many commonly used applications to make the configuration that much easier: https://kemptechnologies.com/docs/. Kemp focuses on making the work easy for the customer. Second, for operational support, I cannot speak for LoadBalancer.org's support organization, but Kemp's is stellar with a 99% customer satisfaction feedback rating. As mentioned above, one concern for vendors that rely heavily on opensource code is the delay from an opensource project update to the time those changes get incorporated into a vendor's officially released and supported product. We (the IT industry) have seen problems with this model on a regular basis throughout time. A good example is the delay for all vendors as OpenSSL code was updated from 1.0.1 to 1.1 to 1.1.1 and all of the discovered security vulnerabilities with prior versions. Major caveat: I work for Kemp. Having said that, I have worked with load balancing technology for over 20 years (starting with Cisco Local Director), and have worked with, and for, multiple load balancing vendors. My goal is to be factual. I have sourced my data where possible and if I have not, I recommend that you fact check my information. Ultimately, I believe with the correct data, you will make the right decision.

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Top Industries

By visitors reading reviews

Educational Organization

43%

Computer Software Company

10%

Financial Services Firm

Government

Computer Software Company

19%

Financial Services Firm

17%

Government

University

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

Questions from the Community

What do you like most about Kemp LoadMaster?

Scalability-wise, I rate the solution a ten out of ten...I rate the technical support a ten out of ten...The initial setup of Kemp LoadMaster is very simple.

What is your experience regarding pricing and costs for Kemp LoadMaster?

LoadMaster is cheaper than some other solutions. It has a perpetual license, so it's a one-time cost.

What needs improvement with Kemp LoadMaster?

There are some challenges with updates on certain models that don't have a few features. The support team often takes a lot of time to provide resolutions for issues. Also, I could see more capabil...

Do you recommend Loadbalancer.org?

Since Loadbalancer.org is an open-source solution, I would recommend this solution for smaller businesses that don’t have major scaling requirements and don’t have the budget for a commercial solut...

What do you like most about Loadbalancer.org?

Existing customers are trying to migrate from the physical F5 load balancer to the AVI load balancer because it is scalable and easily managed.

What is your experience regarding pricing and costs for Loadbalancer.org?

Pricing of Loadbalancer.org is something to consider.

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Compared 13% of the time

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Product Reports

Kemp LoadMaster

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Download Loadbalancer.org product report

Also Known As

LoadMaster Load Balancer

No data available

Overview

Kemp LoadMaster is a powerful load balancing solution that also serves as a web application firewall. Its primary use case is load balancing and application load balancing, making it an ideal solution for organizations that must distribute traffic across multiple servers. Kemp's integration with an active directory for ESP usage, hosting/deployment of SSL certificates, and pricing are some of its most valuable features.

Using Kemp has helped organizations mitigate cross-scripting vulnerabilities, cookie-related issues, and content security policy issues. It has also allowed them to handle everything with Kemp instead of working on each application individually.

Progress Software

Loadbalancer.org is a versatile solution that offers load balancing for small businesses, multiple instances of applications, web application firewall, publishing Windows and SQL applications, and security for telephone service systems. It is easy to use, cost-effective, and performs well with low latency.

The connection maintenance and security features are valuable, including managing logs on WAFs, identifying break-in attempts writing rules to block them and using HAProxy to control what is allowed. Loadbalancer.org has helped organizations reduce the impact of connection issues, provide security, and ensure no downtime or impact on productivity.

Top Industries that use Loadbalancer.org:

Healthcare: Loadbalancer.org is widely considered the top load balancer provider in the healthcare IT industry. Loadbalancer.org sees that healthcare IT personnel can ensure their organizations are moving seamlessly toward interoperability and are able to easily scale to meet today’s continually growing data demands with no compromise in performance.

Storage solutions: Loadbalancer.org has significant offerings and partnerships with object-based storage providers to ensure they are always ready for today's ever-changing dynamic storage needs. The comprehensive integration offers high-performance scalable solutions which can provide always available next-gen storage solutions.

Security: Loadbalancer.org solutions provide an extra layer of security to protect against the latest risk and threats. Loadbalancer.org will provide a close integration to ensure the organization is always secure.

Print: Loadbalancer.org can work with organizations to ensure their print environments keep working smoothly and is the only organization that fully supports Microsoft Print load balancing. Loadbalancer.org minimizes the complexities of print environments to ensure that all systems are consistently available.

Loadbalancer.org is certified as an OEM provider for all of Microsoft's most popular key applications and solutions. Loadbalancer.org has created and developed streamlined deployments to facilitate improved scalability, performance, and uptime. They offer a tailored GUI to make every process super easy. Loadbalancer.org offers several flexible licensing plans to ensure cost-effectiveness, improved margins, revenue opportunities, and optimized TCO. The numerous robust solutions Loadbalancer.org offers can ensure that any enterprise organization is able to satisfy the growing demands of today’s dynamic marketplace while maintaining an excellent user experience.

Reviews from Real Users

“Loadbalancer.org is less complex than Citrix. In some cases, our customers do not have an engineer on staff who can support this device. These customers have a large number of Linux engineers but don't have the money. We suggested using Loadbalancer.org and other open-source tools. Many customers are of different sizes and have different budgets. Loadbalancer.org has everything that is needed.” - Artem M., System Engineer at CROC

“We use Loadbalancer for balancing loads in our main application. Loadbalancer is easy to use. It performs well, with low latency.” - Walid M., Network and Security Engineer at a logistics company

Sample Customers

Kent County Council, KEMP, SMA Solar Technology AG, RT Player , Victrix (Quebec, Canada), Texas A&M, Macmillan Cancer Support, Cisco, Austin Bank

Vodafone, NASA, Mercedes, NBC, Siemens, AT&T, Barclays, Zurich, Penn State University, Fiserv, Canon, Toyota, University of Cambridge, US Army, US Navy, Ocean Spray, ASOS, Pfizer, BBC, Bacardi, Monsoon, River Island, U.S Air Force, King's College London, NHS, Ricoh, Philips, Santander, TATA Communications, Ericcson, Ross Video, Evertz, TalkTalk TV, Giacom, Rapid Host.

Kemp LoadMaster vs. Loadbalancer.org