# 1 Best Open Source Alternative for Knock

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

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

## Knock Overview & Subscription Cost
- **Product**: Knock
- **Category**: [forms](https://caniforkit.com/category/forms)
- **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 Knock or rebuilding it from scratch, deploy one of the 1 battle-tested open-source alternatives like Novu.

## Verified Free & Open Source Alternatives

| Alternative | Type | License | Runs On | GitHub Stars | Head-to-Head |
| --- | --- | --- | --- | --- | --- |
| [Novu](https://caniforkit.com/fork/novu) | Open Source | Open Source | Self-host | ★ 40.3k | [Compare vs Knock](https://caniforkit.com/vs/knock-vs-novu) |

## In-Depth Alternative Profiles

### Novu
- **Fork Page**: [Novu Profile](https://caniforkit.com/fork/novu)
- **Head-to-Head Comparison**: [Knock vs Novu](https://caniforkit.com/vs/knock-vs-novu)
- **Official Website**: https://novu.co/
- **Source Code Repository**: https://github.com/novuhq/novu
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 40.3k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.
- **The Catch vs Knock**: Requires self-hosting setup, updates, and server maintenance compared to managed Knock.
- **Installation**: Clone https://github.com/novuhq/novu 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 Knock?
The top free alternative to Knock is Novu (open source, Open Source). Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.

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

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

## Related

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