AI Agents
OpenSandbox
A secure, fast sandbox runtime where AI agents can execute safely.
★ 15.7k starsApache-2.0
View guide →Secure, fast microVMs that make serverless possible.
firecracker is an open-source ai agents project by firecracker-microvm (firecracker-microvm/firecracker on GitHub). It has 37,223 GitHub stars and 2,661 forks, is released under the Apache-2.0 license, and was last updated on GitHub on 7 October 2026.
Be clear about the problem you are solving before installing.
Clone the repository and skim the docs for hardware or key requirements.
Install dependencies, then add API keys, endpoints, or local-model settings.
Launch the example flow and verify the output matches expectations.
Hardware-virtualized isolation per workload.
Starts fast and packs densely.
Built for running untrusted code securely.
Small codebase with a focused scope.
Memory-safe systems code.
Permissive licensing.
Download the source and move into the project folder.
git clone https://github.com/firecracker-microvm/firecracker.git
cd firecrackerCompile with Cargo on a KVM-capable Linux host.
cargo build --releaseFollow the getting-started guide to launch your first microVM.
# requires /dev/kvm — see docs
./target/release/firecracker --helpIt is maintained by the firecracker-microvm organization (originally from AWS) at firecracker-microvm/firecracker, with 2,661 forks.
Yes. It is released under the Apache-2.0 license, which permits commercial use, modification, and redistribution. Read the LICENSE file for the exact terms.
No — it is infrastructure software. You provide the host machines; it needs Linux with KVM.
Compare on isolation strength versus overhead: microVMs sit between containers and full VMs.
You need a Linux host with KVM access; follow the official getting-started guide to boot your first microVM.
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Free and open — grab the source, star the repo, and start creating.