# Overview

> Dropbox Sign maintains official libraries for different programming languages. Click here to find your preferred SDK.

# SDKs

Dropbox Sign provides official SDKs (software development kits) to build with the Dropbox Sign API using your preferred programming language. You can think of the SDKs as helper libraries that facilitate better interaction with the Dropbox Sign API from your coding environment of choice.

<Note title="Important" icon="fa-light fa-triangle-exclamation">
  <strong>Important:</strong> Dropbox Sign SDKs are licensed under an <a href="https://github.com/hellosign/dropbox-sign-php/blob/main/LICENSE" target="blank">MIT license</a>. By using the Dropbox Sign SDKs, you agree to the terms and conditions of the MIT License.
</Note>

## Official Dropbox Sign SDKs

The legacy SDKs are stable and safe to use in production, but may not contain every feature of the Dropbox Sign API.
The OpenAPI SDKs have complete feature parity with the API and have been released for production use.

* [Dropbox Sign Python SDK](https://github.com/hellosign/dropbox-sign-python)
* [Dropbox Sign Ruby SDK](https://github.com/hellosign/dropbox-sign-ruby)
* [Dropbox Sign PHP SDK](https://github.com/hellosign/dropbox-sign-php)
* [Dropbox Sign Java SDK](https://github.com/hellosign/dropbox-sign-java)
* [Dropbox Sign NodeJS SDK](https://github.com/hellosign/dropbox-sign-node)
* [Dropbox Sign C# .NET SDK](https://github.com/hellosign/dropbox-sign-dotnet)