# Blackbox exporter vs Retrieval-based-Voice-Conversion-WebUI

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Blackbox exporter | Retrieval-based-Voice-Conversion-WebUI |
|---|---|---|
| Score | 70/100 | 77/100 ✓ |
| Rank in category | #3 of 51 in Monitoring & observability | #1 of 15 in Audio Processing |
| GitHub stars | 5 923 | 38 939 ✓ |
| Stars, last 30 days | +17 | +426 ✓ |
| Stable releases, 12 months | 3 ✓ | 1 |
| Latest release | v0.29.1 · 21 Oct 2026 ✓ | 2.3.260718 · 21 Jul 2026 |
| Setup | Easy ✓ | Moderate |
| Official Docker image | Yes ✓ | No |
| License | Apache-2.0 | MIT |
| Main language | Go | Python |

## Which one should you pick?

Retrieval-based-Voice-Conversion-WebUI scores 77/100 against 70/100 for Blackbox exporter, so it is the safer default.

Blackbox exporter ships more often: 3 stable releases in the past year, against 1 for Retrieval-based-Voice-Conversion-WebUI.

If you want the quickest setup, Blackbox exporter is easier to run; Retrieval-based-Voice-Conversion-WebUI needs more configuration.

Retrieval-based-Voice-Conversion-WebUI is growing faster right now (+426 stars in 30 days).

## Details

- [Blackbox exporter](https://selfhost.directory/project/blackbox-exporter) (markdown: https://selfhost.directory/project/blackbox-exporter.md)
- [Retrieval-based-Voice-Conversion-WebUI](https://selfhost.directory/project/retrieval-based-voice-conversion-webui) (markdown: https://selfhost.directory/project/retrieval-based-voice-conversion-webui.md)

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Source: https://selfhost.directory/compare/blackbox-exporter-vs-retrieval-based-voice-conversion-webui