tawk.to is a completely free online chat software that allows website owners to monitor and engage in real-time chat with visitors, respond to support tickets, manage contacts using CRM, and create a help center to empower customer self-service capabilities. tawk.to's key strengths lie in its user-friendliness, security, and the fact that it's entirely free to use. Additionally, it offers AI Assist functionality, allowing users to train a fully automated AI-powered chatbot.