gvisor

The premium Open Source alternative to AWS Firecracker

🎯 Best for:Running untrusted code in multi-tenant environments without full VM overhead.

What is gvisor?

Replaces standard runc or Docker runtimes for running untrusted or multi-tenant workloads. Implements a user-space kernel in Go to intercept and filter system calls, reducing host kernel attack surface.

Tech Stack
GoDevOps & CI/CD

Why gvisor?

  • Strong security boundary
  • Docker/K8s compatible
  • No hardware virtualization needed

Limitations

  • System call performance hit
  • Incomplete syscall coverage
  • Complex debugging
3/5/2026
Last Update
1,523
Forks
526
Issues
Apache-2.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to gvisor instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on AWS Firecracker)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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