> For the complete documentation index, see [llms.txt](https://legacy-docs.aragon.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://legacy-docs.aragon.org/developers/developers.md).

# Legacy Developer Documentation

{% hint style="danger" %}
The products and developer tools in this documentation are Aragon Legacy Products & Tools and are no longer being maintained. For a better experience and support **check out our newest Aragon Products and OSx** [**here**](https://aragon.org)**.**
{% endhint %}

Welcome to the Aragon Legacy Developer Documentation.

* Get started [here](/developers/tools/the-basics/getting-started.md).
* Take the tutorial [here](/developers/tools/guides/custom-deploy.md).

#### General tools:

* <img src="/files/kZUFaBfsp6D40pgGr83v" alt="" data-size="line"> [**aragonPM**](https://github.com/aragon/documentation/blob/legacy_docs/developers/developers/tools/aragonpm/README.md): Decentralized package manager based on aragonOS that handles upgreadability of smart contracts and arbitrary data blobs, such as webapps.
* <img src="/files/BNA3UU2SUa2IqJSQZtjS" alt="" data-size="line"> [**aragonOS**](https://github.com/aragon/documentation/blob/legacy_docs/developers/developers/tools/aragonos/README.md) Framework: that enables flexible and upgradeable governance mechanisms by creating and assigning permissions to multiple entities.
* <img src="/files/HcR8ZScnMJ9Vg0nATXvi" alt="" data-size="line"> [**aragonAPI**](https://github.com/aragon/documentation/blob/legacy_docs/developers/developers/tools/aragonapi/README.md) Standard: set of APIs and specifications used to interact with aragonOS-powered contracts by handling transaction pathing, upgradeability, and contract state.
* <img src="/files/RJ8eZug60jO2VJPxa0sD" alt="" data-size="line"> [**aragonUI**](https://github.com/aragon/documentation/blob/legacy_docs/developers/developers/tools/aragonui/README.md): Aragon-native toolkit of React UI components for decentralized apps that implement aragonDS. Slick, fast and easily extendable.
* <img src="/files/rOTtVL2YRpXNxI8HZswg" alt="" data-size="line"> [**aragonCLI**](https://github.com/aragon/documentation/blob/legacy_docs/developers/developers/tools/aragoncli/README.md): Tool for creating, testing and publishing Aragon applications. Also allows for creating custom Aragon organizations.
* <img src="/files/H1D7huGZ3VtxdSPEb1UX" alt="" data-size="line"> [**aragonDS**](https://github.com/aragon/documentation/blob/legacy_docs/developers/developers/tools/aragonds/README.md): The Aragon Design System defines a set of user behaviours and guidelines to ensure consistency across all Aragon apps.

#### Products tools:

* For Aragon **Govern** documentation go [here](/developers/products/aragon-govern.md).
* For Aragon **Vocdoni** documentation go [here](/developers/products/aragon-vocdoni.md).