---
title: Welcome to Plunk
description: Open-source email platform for developers
icon: House
---

## What is Plunk?

Plunk is an open-source email platform designed for developers who need a powerful, scalable solution for transactional and marketing emails. Built with modern technologies and designed to handle millions of contacts, Plunk provides everything you need to manage your email communications.

## Key Features

<Cards>
  <Card title="Transactional Emails" href="/api-reference/public-api">
    Send transactional emails via API with template support and variable substitution
  </Card>
  <Card title="Email Campaigns" href="/guides/campaigns">
    Create and send one-time email broadcasts to your contacts with advanced scheduling
  </Card>
  <Card title="Marketing Automation" href="/guides/workflows">
    Build automated email sequences with visual workflow builder and conditional logic
  </Card>
  <Card title="Contact Management" href="/guides/contacts">
    Manage millions of contacts with custom fields and CSV import capabilities
  </Card>
  <Card title="Dynamic Segmentation" href="/guides/segments">
    Create dynamic audience segments based on contact data and behavior
  </Card>
  <Card title="Event Tracking" href="/guides/events">
    Track events and use them to trigger workflows and segment audiences
  </Card>
  <Card title="Email Templates" href="/guides/templates">
    Create reusable email templates for transactional and marketing emails
  </Card>
  <Card title="Analytics" href="/guides/analytics">
    Track email performance with detailed analytics on opens, clicks, and more
  </Card>
</Cards>

## Quick Links

<Cards>
  <Card title="Get Started" href="/getting-started/introduction">
    Learn how to set up Plunk and send your first email
  </Card>
  <Card title="API Reference" href="/api-reference/overview">
    Explore the complete API documentation
  </Card>
  <Card title="Self-Hosting" href="/self-hosting/introduction">
    Deploy Plunk on your own infrastructure
  </Card>
  <Card title="Guides" href="/guides/contacts">
    Step-by-step guides for common use cases
  </Card>
</Cards>

## Open Source

Plunk is fully open-source and available on GitHub. Contributions are welcome!

## Support

If you need help or have questions:

- Read the documentation
- Check the GitHub repository
- Join our Discord community