E2B vs Fence
An independent, evidence-based trust comparison of E2B and Fence, two Sandboxes & Runtimes projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
E2B leads on trust — 78.4/100 (Grade B) vs 60.0/100 (Grade C), a 18.4-point gap. Full breakdown below.
| Signal | E2Be2b-dev/e2b | Fencefencesandbox/fence |
|---|---|---|
| HVTrust score | 78.4 | 60.0 |
| Evidence grade | B | C |
| Coverage grade | A | C |
| Overall rank | #81 | #346 |
| Rank in Sandboxes & Runtimes | #2 | #4 |
| GitHub stars | 13.6k | 935 |
| Last updated | today | 1d ago |
| Build provenance | No | No |
| OSSF Scorecard | 6.7 / 10 | 7.1 / 10 |
| License | Apache-2.0 | Apache-2.0 |
| Downloads | 982k/wk | — |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 12.6 | 12.8 |
| Identity & provenance / 18 | 10.8 | 10.8 |
| Transparency / 17 | 14.2 | 14.5 |
| Maintenance / 20 | 19.9 | 15.7 |
| Adoption / 20 | 17.9 | 7.1 |
| Runtime capability surface (full matrix) | ||
| MCP server | Declared | — |
| External providers | 1 — E2B | 1 — Redis |
| Requires API keys | Yes | No |
| Plugin surface | — | extensions |
| Provenance drift | 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 →