# Developing with the DynamoDB Accelerator (DAX) client
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To use DAX from an application, you use the DAX client for your programming language. The DAX client is designed for minimal disruption to your existing Amazon DynamoDB applications—with only a few simple code modifications needed.

**Note**  
DAX clients for various programming languages are available on the following site:  
[http://dax-sdk.s3-website-us-west-2.amazonaws.com](http://dax-sdk.s3-website-us-west-2.amazonaws.com)

This section demonstrates how to launch an Amazon EC2 instance in your default Amazon VPC, connect to the instance, and run a sample application. It also provides information about how to modify your existing application so that it can use your DAX cluster.

**Topics**
+ [Tutorial: Running a sample application using DynamoDB Accelerator (DAX)](DAX.client.sample-app.md)
+ [Modifying an existing application to use DAX](DAX.client.modify-your-app.md)