Today, AWS introduced NoSQL Workbench for Amazon DynamoDB to help developers build scalable, high-performance data models and to simplify query development and testing. NoSQL Workbench is a free, client-side application available for Windows and macOS.

from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/09/introducing-nosql-workbench-for-amazon-dynamodb-now-in-preview/