:container: text-center
:column: col-lg-6 px-2 py-2
:card:
---
<img src="images/getting_started.svg" alt="getting_started" height="40px">
**Getting started**
^^^^^^^^^^^^^^^
Learn how to install Ray, compute an example with the Ray Core API, and use Ray's ML libraries.
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{link-badge}`ray-overview/index.html,"Overview",cls=badge-light`
{link-badge}`ray-overview/getting-started.html,"Getting started",cls=badge-light`
---
<img src="images/user_guide.svg" alt="user_guide" height="40px">
**User guides**
^^^^^^^^^^^
Learn about the key concepts and features. Get in-depth information about Ray's libraries and tooling.
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{link-badge}`data/user-guide.html,"Data",cls=badge-light`
{link-badge}`train/user-guides.html,"Train",cls=badge-light`
{link-badge}`tune/tutorials/overview.html,"Tune",cls=badge-light`
{link-badge}`serve/tutorials/index.html,"Serve",cls=badge-light`
{link-badge}`ray-core/user-guide.html,"Core",cls=badge-light`
{link-badge}`cluster/running-applications/index.html,"Clusters",cls=badge-light`
---
<img src="images/api.svg" alt="api" height="40px">
**API reference**
^^^^^^^^^^^^^
Find detailed descriptions of the Ray APIs, their functions, classes, and methods.
The reference assumes familiarity with the key concepts.
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{link-badge}`ray-references/api.html,"API reference",cls=badge-light`
---
<img src="images/contribute.svg" alt="contribute" height="40px">
**Developer guides**
^^^^^^^^^^^^^^^
Find information about Ray's internals, and how to debug or profile Ray, fix a bug, or contribute a new feature.
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{link-badge}`https://docs.ray.io/en/master/ray-contribute/getting-involved.html,"Developer guides",cls=badge-light`
Ray is also an active community of developers, researchers, and folks that love machine learning. Here's how to get involved with the Ray community:
If you're interested in contributing to Ray, see the contributing guide for the current release or the latest version of our contributing guide to read about the contribution process and see what you can work on.