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%