8 alternatives to firecracker-microvm/firecracker
firecracker-microvm/firecracker — Secure and fast microVMs for serverless computing. (37,840 stars, Apache-2.0, infra, integration, ui).
These are the closest projects in the JustClaw-It index that we serve licence-cleared code from, ranked by relevance and by our code-quality score (1–10, the mean over each repo's graded components: completeness, code quality, deployability, reusability, strategic value). JustClaw-It also serves 342 licence-cleared components from firecracker-microvm/firecracker itself.
| # | Repo | Score | Licence | Stars |
|---|---|---|---|---|
| 1 | nerdy-tech-com-gitub/firecracker | 6.7 | Apache-2.0 | 2 |
| 2 | kata-containers/kata-containers | 7.0 | Apache-2.0 | 8,993 |
| 3 | arcboxlabs/arcbox | 6.2 | Apache-2.0 | 4,249 |
| 4 | smol-machines/smolvm | 6.7 | Apache-2.0 | 6,952 |
| 5 | fission/fission | 6.4 | Apache-2.0 | 8,942 |
| 6 | sparticuz/chromium | 6.1 | MIT | 1,662 |
| 7 | open-gitagent/clawless | 7.8 | MIT | 542 |
| 8 | google/gvisor | 4.9 | Apache-2.0 | 19,781 |
The alternatives in detail
-
Secure and fast microVMs for serverless computing.score 6.7/10 · Apache-2.0 permissive · 2 stars · 295 components · search them
-
Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and securscore 7.0/10 · Apache-2.0 permissive · 8,993 stars · 948 components · search them
-
Run AI agents on real and isolated machines — own kernel, filesystem, and network — with <100ms boot. Local first, OCI compatible, pure Rust.score 6.2/10 · Apache-2.0 permissive · 4,249 stars · 1,205 components · search them
-
An embeddable, portable, branchable virtual machine to safely run Agents locally.score 6.7/10 · Apache-2.0 permissive · 6,952 stars · 303 components · search them
-
Fast and Simple Serverless Functions for Kubernetesscore 6.4/10 · Apache-2.0 permissive · 8,942 stars · 526 components · search them
-
Chromium for Serverless Platformsscore 6.1/10 · MIT permissive · 1,662 stars · 14 components · search them
-
ClawLess — A serverless browser-based runtime for Claw AI Agents powered by WebContainersscore 7.8/10 · MIT permissive · 542 stars · 18 components · search them
-
Application Kernel for Containersscore 4.9/10 · Apache-2.0 permissive · 19,781 stars · 1,868 components · search them
Licence data: JustClaw-It's per-repo licence policy. Is firecracker-microvm/firecracker still maintained? Check it. Licence details: licence checker. Ranking data from 2026-11-05T20:19:43Z.
Want code like firecracker-microvm/firecracker without the licence risk? JustClaw-It is an MCP server with 3,425,000+ licence-cleared, scored code components. Search is free; every result carries its licence and attribution.
Remote MCP endpoint: https://justclaw.it.com/mcp (API key auth). Works with Claude Code, Cursor,
Codex, Windsurf and other MCP clients. A one-line CLI installer (@justclaw-it/cli) is coming.