Leon vs Rasa
An independent, evidence-based trust comparison of Leon and Rasa, two Voice & Conversational projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Rasa leads on trust — 59.5/100 (Grade C) vs 39.5/100 (Grade D), a 20.0-point gap. Full breakdown below.
| Signal | Leonleon-ai/leon | RasaRasaHQ/rasa |
|---|---|---|
| HVTrust score | 39.5 | 59.5 |
| Evidence grade | D | C |
| Coverage grade | C | A |
| Overall rank | #634 | #324 |
| Rank in Voice & Conversational | #8 | #5 |
| GitHub stars | 17.4k | 21.3k |
| Last updated | 2d ago | 22d ago |
| Build provenance | No | No |
| OSSF Scorecard | 4.5 / 10 | 5.2 / 10 |
| License | MIT | Apache-2.0 |
| Downloads | — | 55k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 10.1 | 6.5 |
| Identity & provenance / 18 | 10.8 | 10.8 |
| Transparency / 17 | 12.3 | 12.9 |
| Maintenance / 20 | 19.0 | 10.5 |
| Adoption / 20 | 10.2 | 16.7 |
| Runtime capability surface (full matrix) | ||
| MCP server | — | — |
| External providers | 4 — Anthropic, Groq, OpenAI, … | 3 — Amazon Bedrock, Postgres, Redis |
| Requires API keys | No | No |
| Plugin surface | plugins | plugins |
| Provenance drift | Unknown | Match |
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 →