# Introduction

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Welcome to the immudb documentation. Great to see you here!

immudb is a database written in Go, but unlike other databases, it is immutable: history is preserved and can't be changed without clients noticing.

immudb can be used both as a key-value store, or as a relational database (SQL).

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### Playground

  * Want to dive right in and play around? Get started with the [user quickstart](./getstarted/quickstart.md)
  * Want to use immudb from your favourite programming language? head to the [developer jumpstart](./getstarted/jumpstart.md)
  * .. or try the [**immudb Playground**, an interactive environment for learning about immudb](https://play.codenotary.com):

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  [![image](/playground.jpg)](https://play.codenotary.com)
	
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### Help and Support
Join our [Discord community](https://discord.gg/ThSJxNEHhZ)

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### External Resources

  Here are some external links you may find valuable:

  - [**immudb** binaries to download and Go SDK](https://github.com/codenotary/immudb)
  - SDKs for [Python](https://github.com/codenotary/immudb-py), [Java](https://github.com/codenotary/immudb4j),and [Node.js](https://github.com/codenotary/immudb-node)
  
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