List of Top 6 Open Source Load Balancers

BlogsWebTechList of Top 6 Open Source Load Balancers

If you’re looking to run a business website for 365 days, well, you need to balance the load your web infrastructure is taking for you.

In this case, load balancing will help your organization maintain a flawless web infrastructure.

It will help your developers in distributing the network load between various interface cards. This will also help you in dispersing the load. Moreover, it will improve the website’s responsiveness.

Well, now let us look at what a load balancer is.

A load balancer is an interconnecting thing present between the server and the client. It will help you decrease the load that your application receives in the form of traffic.

How? Let’s find it out.

Basically, the load balancer accepts your incoming network along with the traffic your website and application are generating.

Now the balancer will distribute it across multiple servers so that there’s no load on a single server.

There are various open-source load balancers present in the market today that will help you take offload from your server.

Here are the Top 6 Open Source Load Balancers


HAProxy is a free, open-source load-balancing solution that is fast and reliable. It is Linux-based.

This solution provides a TCP/HTTP load-balancing feature for the applications and uses a proxy as a medium for connection.

Mostly, it is beneficial for websites that derive very high traffic from their websites and applications.

It is so suitable for businesses that it is being used by our very own renowned websites like GitHub, Airbnb, and Reddit.

Notable features for HAProxy includes: GZip Compression, Statistics reporting, and support for the UNIT socket as well as IPv6.

Kemp LoadMaster

It is an open-source load balancer based on Linux, which offers application delivery and advanced load balancing for websites.

Its load balancer has a lot of unique features, including a dedicated one for every individual application.

Also, they have three types of load balancers with them, namely: Hardware Loadmaster, Virtual Loadmaster, and Cloud-native loadmaster.

Notable feature: Predictive analytics.

Check this out: Top 8 Linux Cloud Servers


Seesaw is again a Linux-based open-source load-balancing platform that caters to the needs of the organization by providing load-balancing services for the servers, which are based on a single network chain.

It claims that it is easy to use a load balancer, which has some functionalities like Anycast, Multiple VLAN support, and Direct Server Return being managed through a centralized configuration.

This load balancer uses Golang as its primary language.


Katran is an open-source load balancer developed by Facebook. It was specially designed as other load balancers could not handle the network load coming from the huge servers of Facebook’s website and application.

This load balancer is also based on Linux. Also, Katran only works in direct service response mode.

Notable features: Lightning-fast speed, Encapsulation is RSS friendly, and Performance scaling linearly.


Pen is an open-source load-balancing solution that caters to TCP and UDC protocols. Its specialty is that it uses multiple servers to manage the load, but these servers work as one.

This helps Pen in increasing the performance of the server, which gives it high scalability.

Also, if the Pen detects that the server is not available, then it automatically starts scanning for the accessible server, thus providing uninterrupted performance.

This helps the developers at Pen to manage the applications even if the server is down for maintenance.


gobetween is a load balancer that is based on Linux as well as Windows. It is open-source and free as well. this load balancer is based on TCP, TLS & UDP-based load balancer.

gobetween uses the following algorithms for its configuration. This includes IP hash, least bandwidth, round-robin, etc.

Recommended For You:

Load Balancer as a Service Explained in Detail 

Reverse Proxy vs. Load Balancer: Comparison of the Two

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