Bottender
A framework for building conversational user interfaces
...Design actions for each event and state in your application and Bottender will run accordingly. Bottender lets you create apps on every channel and never compromise on your users’ experience. This approach makes your code more predictable and easier to debug. You can apply progressive enhancement or graceful degradation strategy on your building blocks. There are thousands of bots powered by Bottender. It has been optimized for real-world use cases, automatic batching requests and dozens of other compelling features. With Bottender, you only need a few configurations to make your bot work with channels, automatic server listening, webhook setup, signature verification and so much more. ...