# Nightingale: Free Open Source Alternative to Karafun, Singa, Smule

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

Nightingale (Open Source, Open Source) replaces Karafun, Singa, Smule. AI-powered karaoke software that separates vocals from any song, transcribes lyrics with word-level sync, scores your pitch in real-time, and includes dynamic backgrounds.

## Tool Specifications
- **Tool Name**: Nightingale
- **Type**: Open Source Project
- **License**: Open Source
- **Official Website**: https://nightingale.cafe/
- **GitHub Repository**: https://github.com/rzru/nightingale
- **GitHub Stars**: ★ 1.5k
- **Runs On**: Local
- **Maintenance Status**: nov 2026
- **Platforms**: desktop, cross-platform, one-click install
- **Data Storage**: All application data lives locally on your own machine.
- **Installation**: Clone https://github.com/rzru/nightingale or deploy with Docker Compose
- **Setup Requirements**: Download the native package or installer for your operating system.
- **The Catch / Limitation**: Community-driven open source project without dedicated enterprise SLAs.

## Paid SaaS Applications Replaced (3)
Replacing these paid tools with Nightingale saves up to $60/mo ($720/yr) in software subscriptions:

| Replaced Software | Category | SaaS Price | Comparison Guide |
| --- | --- | --- | --- |
| [Karafun](https://caniforkit.com/karafun) | [music & audio](https://caniforkit.com/category/audio) | $20/mo | [Compare Karafun vs Nightingale](https://caniforkit.com/vs/karafun-vs-nightingale) |
| [Singa](https://caniforkit.com/singa) | [music & audio](https://caniforkit.com/category/audio) | $20/mo | [Compare Singa vs Nightingale](https://caniforkit.com/vs/singa-vs-nightingale) |
| [Smule](https://caniforkit.com/smule) | [music & audio](https://caniforkit.com/category/audio) | $20/mo | [Compare Smule vs Nightingale](https://caniforkit.com/vs/smule-vs-nightingale) |

## Frequently Asked Questions

### Is Nightingale free and open source?
Nightingale is an open source tool licensed under Open Source that runs on local. AI-powered karaoke software that separates vocals from any song, transcribes lyrics with word-level sync, scores your pitch in real-time, and includes dynamic backgrounds.

### What is the trade-off or limitation of using Nightingale?
Community-driven open source project without dedicated enterprise SLAs.

## Related

- [Self-Hosted Open Source Directory](https://caniforkit.com/self-hosted)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Software Categories Directory](https://caniforkit.com/categories)
- [Homepage](https://caniforkit.com)