Dialogflow - Conversational UX Platform. (ex API.ai)
Pipedream - Integration platform for developers
Botpress - Open-source platform for developers to build high-quality digital assistants
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Meya.ai - Build, train and host sophisticated bots.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.