Firecracker
Execution SandboxOpen source · Apache-2.0★ 37,138（2026-10-04）Self-hosted
AWS's open-source microVM monitor powering Lambda and Fargate.
Firecracker is AWS's Apache-2.0 open-source microVM monitor (Rust) that underpins AWS Lambda and Fargate; it boots a microVM in about 125ms and uses under 5 MiB of memory overhead per VM.
Key facts
| Category | Execution Sandbox |
|---|---|
| License | Apache-2.0 |
| Language | Rust |
| Self-hosted | Yes |
| GitHub stars | 37,138 (2026-10-04) |
| Last push | 2026-10-02 |
| Last verified | 2026-10-04 |
| Repository | https://github.com/firecracker-microvm/firecracker |
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