Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Dialogflow - Conversational UX Platform. (ex API.ai)
Twilio Flex - The programmable contact center platform 📱
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Drift - A messaging app that helps you grow your business.
Botpress - Open-source platform for developers to build high-quality digital assistants