Odysseus vs Open WebUI
An independent, evidence-based trust comparison of Odysseus and Open WebUI, two UI & App Builders projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Open WebUI leads on trust — 83.6/100 (Grade A) vs 66.7/100 (Grade B), a 16.9-point gap. Full breakdown below.
| Signal | Odysseuspewdiepie-archdaemon/odysseus | Open WebUIopen-webui/open-webui |
|---|---|---|
| HVTrust score | 66.7 | 83.6 |
| Evidence grade | B | A |
| Coverage grade | B | A |
| Overall rank | #158 | #61 |
| Rank in UI & App Builders | #8 | #3 |
| GitHub stars | 87.4k | 152.7k |
| Last updated | 4d ago | today |
| Build provenance | No | Yes |
| OSSF Scorecard | 7.8 / 10 | 5.9 / 10 |
| License | AGPL-3.0 | NOASSERTION |
| Downloads | — | 347k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 13.8 | 16.9 |
| Identity & provenance / 18 | 10.8 | 18.0 |
| Transparency / 17 | 15.1 | 13.5 |
| Maintenance / 20 | 16.7 | 20.0 |
| Adoption / 20 | 11.9 | 19.8 |
| Runtime capability surface (full matrix) | ||
| MCP server | Declared | — |
| External providers | 1 — Postgres | 9 — Amazon Bedrock, Anthropic, Google Gemini, … |
| Requires API keys | Yes | Yes |
| Plugin surface | plugins | — |
| Provenance drift | — | Unknown |
How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.3 →