> ## Documentation Index
> Fetch the complete documentation index at: https://docs.iroh.computer/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> iroh establishes direct connections whenever possible, falling back to relay servers if necessary. Get fast, efficient, reliable connections that are authenticated and encrypted end-to-end using QUIC.

## Get started

<Card title="Connect two endpoints" icon="rocket" href="/quickstart" horizontal>
  Follow our quickstart guide.
</Card>

<Card title="What is iroh?" icon="circle-info" href="/what-is-iroh" horizontal>
  Get started with the basics.
</Card>

## Dive deeper

<Columns cols={2}>
  <Card title="Gossip" icon="share-nodes" href="/connecting/gossip">
    Connect peers over a shared secret with gossip.
  </Card>

  <Card title="Compatibility" icon="mobile" href="/compatibility">
    Connect users across platforms and languages with our cross-platform libraries.
  </Card>

  <Card title="Troubleshooting" icon="wrench" href="/troubleshooting">
    Debug connectivity issues with logging, the iroh-doctor CLI, or remote Network Diagnostics.
  </Card>

  <Card title="Use your own relay" icon="server" href="/add-a-relay">
    Configure dedicated relays for production deployments.
  </Card>
</Columns>

## Sending Data

Add the protocols and topologies to fit your needs. Iroh is modular and
composable, so you can pick and choose what you need.

<Columns cols={2}>
  <Card title="Blobs" icon="image" href="/protocols/blobs">
    Store and transfer large binary files.
  </Card>

  <Card title="Documents" icon="computer" href="/protocols/documents">
    Collaborative key-value documents with conflict-free replication.
  </Card>

  <Card title="Streaming" icon="video" href="/protocols/streaming">
    Build low-latency audio and video streaming applications.
  </Card>

  <Card title="RPC" icon="terminal" href="/protocols/rpc">
    Build remote procedure call applications.
  </Card>
</Columns>

## Need inspiration?

<Card title="See complete examples" icon="stars" href="/examples">
  Browse our showcase of open source example applications.
</Card>