There are several companies that provide free chat bots for websites. Some of the popular ones include:
Tawk.to - Tawk.to offers a free live chat application for websites, which includes a chatbot feature that can be customized to meet your business needs.
Chatfuel - Chatfuel provides a free chatbot builder that allows you to create a bot for your website or Facebook Messenger without any coding skills.
Dialogflow - Dialogflow is a natural language processing platform that enables you to build conversational interfaces, including chatbots, for your website or mobile app. Dialogflow offers a free plan that allows up to 15,000 text requests per month.
ManyChat - ManyChat is a chatbot builder for Facebook Messenger that also supports website integration. ManyChat offers a free plan that allows up to 1,000 subscribers and 12 messages per month.
Flow XO - Flow XO is a chatbot builder that allows you to create a bot for your website or social media channels. Flow XO offers a free plan that includes up to 5 chatbots and 500 interactions per month.
It's important to note that while these companies offer free chatbot services, there may be limitations on the number of interactions, messages, or subscribers allowed. Additionally, some features may only be available in paid plans. It's best to review each company's offerings and choose the one that best fits your business needs