The best open-source chatbot platforms of 2022.

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Wondering where to find the best open source chatbot platforms? 

No worries we’ve listed the best among those for you here! Let’s dive right in.

Let’s first have a look at what open source software is, it’s basically a software code that can be seen, modified, and distributed by anyone. In simple terms, it is something that is publicly accessible. 

Open-source software has given us some real jewels over the years. Mozilla Firefox, Linux, WordPress, VLC, Apache, LaTex, and Ubuntu are just a few standouts.

Chatbots have been a revolutionary invention, one of a kind that has changed how we view communication. Before diving deep into the best open-source chatbot platforms let’s quickly go through what open-source chatbots exactly are?

What are Open source Chatbots?

This is how you define a chatbot:

‘a computer program designed to simulate conversation with human users, especially over the internet.’

We have knowingly or unknowingly interacted with a chatbot at least once, maybe while ordering food, shopping online, booking a train ticket, and many more. These are the chatbots deployed by the companies to assist their customers Ex. Amazon has a chatbot on their website that assists customers throughout the process of shopping which we popularly call Alexa. 

There is however another way lying underneath which we call open-source chatbots. They are just like modern web applications. They live on the interweb, use databases and APIs to send and receive messages, read and write files, and perform regular tasks.

Here are some of the best open-source chatbot platforms:


The RASA is a set of open-source machine learning tools. These tools can be used by developers to create chatbots and assistants. The two major components of Rasa Stack are ‘core’ and NLU. It’s quite simple

The NLU understands the user message and Core decides the next move. Rasa is an Independent service which means that it doesn’t have to go through API (Application programming interface). It can be deployed on a cloud even if it’s private. 

Bot Press:

It's a self-proclaimed WordPress of chatbots (Open source bot-building platform) It’s built using a modular blueprint. You can snap pieces off and add new bits to an existing code frame. It is based on a 3 step installation process. 

After the developers build the bot they deploy it on the preferred platform and give them access to manage the respected person. The best thing about botpress is that it is developer friendly, comes with an intuitive dashboard, and is powered by flexible technology. It gives you full control over what comes in and out. 

Ana’s SDKs ensure that you can integrate Ana into your app in a matter of minutes.  

Open dialog:

It’s undoubtedly the most popular among the open-source chatbot platforms. It helps to design. Integrate and deploy chatbot effortlessly.

OpenDialog flaunts the ability to perform real-time STT processes while still using relatively low memory. It can work as a server unit as well as deliver the N-best/word graph output.   

The USP of this product is that it allows you to build full-fledged conversational agents without having any coding experience.



Tock is another brilliant platform for chatbot development and deployment. The best thing is that it requires no third-party API and can work independently. Integration becomes easier when you are using a platform like Tock. 

Deep Pavlov:

It’s a popular chatbot development platform based on TensorFlow, Keras, and PyTorch that gives developers flexible tools to build powerful conversational agents that are multi-skilled assistants. 

The best thing about this one is that it’s compatible with NLP (Natural Language processing). The fact that makes it stand out is that it is easily deployable. 


It is an enterprise open-source platform for Rasa teams. It helps you design and implement your conversations at once. It is a collaborative platform built on Rasa. The best thing is you can create complex conversational forms using this open-source chatbot with ease.

One more benefit is that it helps you create multilingual assistants hence the language barrier is removed. It is a good tool to analyze your conversations at a scale. 


What makes it unique is that it is built for developers as well as CX designers. This multilingual bot offers a wide range of solutions. It would be wise to call it a smart bot as it is always context-aware. It is compatible with speech to text and text to speech. It is flexible and extensible as it contains RESTful APIs to integrate with apps and systems. 


Claudia makes it easy to deploy Node.js projects to AWS Lambda and API Gateway. AWS Lambda and API Gateway are incredibly flexible, but they can be tedious to set up, especially for simple scenarios. Running Node.js functions requires you to iron out quite a few quirks that aren't exactly well documented. Claudia automates all those steps for you.

It can be deployed and updated using a single command. It comes with multiple versions which are easy to manage. 

The best thing about Claudia is that it’s easy to use and compatible with different versions. You should definitely try this unique platform. 

So here we end our list of the best open source chatbot platforms in terms of specific measures like Customizability, 24/7 availability, NLP engine, and most importantly data privacy. However this is not the end here we selected the best ones among many available on the web, you can go and check them yourself!

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