# 1 Best Open Source Alternative for HEY

Canonical: https://caniforkit.com/hey
Last updated: 2026-11-07

Looking for the best open source alternative for HEY? Compare 1 verified free and open source alternatives to HEY (UnInbox) with license details, self-hosting requirements, and practical trade-offs.

## HEY Overview & Subscription Cost
- **Product**: HEY
- **Category**: [community](https://caniforkit.com/category/community)
- **Paid Subscription Price**: $15/month per seat
- **1-Seat Annualized Cost**: $180/year
- **5-Person Team Annualized Cost**: $900/year
- **10-Person Team Annualized Cost**: $1,800/year
- **Can I Vibe-Code / Rebuild It Myself?**: NO (use a free alternative, save the tokens)
- **Rebuild Verdict**: Instead of paying recurring SaaS fees for HEY or rebuilding it from scratch, deploy one of the 1 battle-tested open-source alternatives like UnInbox.

## Verified Free & Open Source Alternatives

| Alternative | Type | License | Runs On | GitHub Stars | Head-to-Head |
| --- | --- | --- | --- | --- | --- |
| [UnInbox](https://caniforkit.com/fork/uninbox) | Open Source | Open Source | Self-host | ★ 1.8k | [Compare vs HEY](https://caniforkit.com/vs/hey-vs-uninbox) |

## In-Depth Alternative Profiles

### UnInbox
- **Fork Page**: [UnInbox Profile](https://caniforkit.com/fork/uninbox)
- **Head-to-Head Comparison**: [HEY vs UnInbox](https://caniforkit.com/vs/hey-vs-uninbox)
- **Official Website**: https://uninbox.com
- **Source Code Repository**: https://github.com/un/inbox
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 1.8k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Streamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management.
- **The Catch vs HEY**: Requires self-hosting setup, updates, and server maintenance compared to managed HEY.
- **Installation**: Clone https://github.com/un/inbox or deploy with Docker Compose
- **Setup**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **Data Storage**: All application data and configuration live on your own server or local database.

## Frequently Asked Questions

### What is the best free alternative to HEY?
The top free alternative to HEY is UnInbox (open source, Open Source). Streamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management.

### How much does switching from HEY to a free alternative save?
HEY starts at $15/month per seat ($180/year). Switching a 5-person team to a free alternative like UnInbox saves $900 per year in software subscription fees.

### What is the catch when switching away from HEY?
While UnInbox replaces core HEY features without subscription fees, the real-world trade-off is: Requires self-hosting setup, updates, and server maintenance compared to managed HEY.

## Related

- [community Software Category Hub](https://caniforkit.com/category/community)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Self-Hosted Software Directory](https://caniforkit.com/self-hosted)
- [Homepage](https://caniforkit.com)