Registry › Compare › E2B vs Fence

E2B vs Fence

E2B leads on trust: 77.7/100 (Grade B) against 56.6/100 (Grade C), a 21.1-point gap. E2B leads on maintenance and adoption, and rests on broader evidence.

B E2B 77.7

Open-source, secure environment with real-world tools for enterprise-grade agents.

e2b-dev/e2b · #201 overall · #2 Sandboxes & Runtimes · coverage A (4/5)

Choose E2B if maintenance and adoption matter most.

+11.1Adoption: 14.3k GitHub stars against 991
+7.5Maintenance: last push today, against 7d ago
A vs CEvidence coverage: 4 of 5 independent signal types, against 2

C Fence 56.6

Lightweight, container-free sandbox for running commands with network and filesystem restrictions

fencesandbox/fence · #766 overall · #6 Sandboxes & Runtimes · coverage C (2/5)

Fence doesn't lead on any scored dimension in this pair.

Where they differ

12.3

Safety / IntegrityFence +0.4

12.7

14.3

TransparencyFence +0.1

14.4

19.0

MaintenanceE2B +7.5

11.5

18.3

AdoptionE2B +11.1

7.2

+3.0

Runtime calibrationE2B +3.0

+0.0

1 dimension identical: Identity 10.8 · Full evidence table

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.

Full evidence

Signal	E2Be2b-dev/e2b	Fencefencesandbox/fence
HVTrust score	77.7	56.6
Evidence grade	B	C
Coverage grade	A	C
Overall rank	#201	#766
Rank in Sandboxes & Runtimes	#2	#6
GitHub stars	14.3k	991
Last updated	today	7d ago
Build provenance	No	No
OSSF Scorecard	6.8 / 10	7.0 / 10
License	Apache-2.0	Apache-2.0
Downloads	1.7M/wk	—
Trust dimensions (points earned)
Safety / integrity / 25	12.3	12.7
Identity & provenance / 18	10.8	10.8
Transparency / 17	14.3	14.4
Maintenance / 20	19.0	11.5
Adoption / 20	18.3	7.2
Runtime capability surface (full matrix)
MCP server	Declared	—
External providers	1 — E2B	—
Requires API keys	Yes	No
Plugin surface	—	—
Provenance drift	Match	—

Open in the live compare tool → E2B profile Fence profile More Sandboxes & Runtimes →

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 v4.4 →