# OpenSearch 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.

| | OpenSearch | Retrieval-based-Voice-Conversion-WebUI |
|---|---|---|
| Score | 76/100 | 77/100 ✓ |
| Rank in category | #7 of 41 in Search Engines | #1 of 15 in Audio Processing |
| GitHub stars | 13 930 | 38 936 ✓ |
| Stars, last 30 days | +155 | +423 ✓ |
| Stable releases, 12 months | 11 ✓ | 1 |
| Latest release | 2.19.7 · 17 Oct 2026 ✓ | 2.3.260718 · 21 Jul 2026 |
| Setup | Moderate ✓ | Moderate |
| Official Docker image | Yes ✓ | No |
| License | Apache-2.0 | MIT |
| Main language | Java | Python |

## Which one should you pick?

Retrieval-based-Voice-Conversion-WebUI scores 77/100 against 76/100 for OpenSearch, so it is the safer default.

OpenSearch ships more often: 11 stable releases in the past year, against 1 for Retrieval-based-Voice-Conversion-WebUI.

Retrieval-based-Voice-Conversion-WebUI is growing faster right now (+423 stars in 30 days).

## Details

- [OpenSearch](https://selfhost.directory/project/opensearch) (markdown: https://selfhost.directory/project/opensearch.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)

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