There are 3 repositories under amazon-states-language topic.
A simple Amazon States Language validator based on JSON schemas.
An unit testing toolkit for Amazon States Language
Sample Workflow for AWS Step Function (with terraform)
Run and test your AWS Step Functions locally! 🚀
Amazon States Language parser&validator in go-language
Compile and simulate state machines for AWS Step Functions using a friendly Python API
For determining the next state given an Amazon States Language "Choices" definition and a set of values.
A golang command-line tool and library that provides a validator and a parser for Amazon States Language JSON files.