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OpenShell alternatives

Curated alternatives to OpenShell — and why you'd switch.

OpenSandbox

CNCF-landscape sandbox platform for AI agents: multi-language SDKs, unified API, CLI and MCP over Docker/Kubernetes runtimes — coding agents, GUI agents, evals and RL training.

Why switchBoth give agents isolated sandboxes over Docker/Kubernetes with SDKs and a CLI; OpenSandbox centers on a unified sandbox API, OpenShell on per-agent policy enforcement and credential brokering.
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agent-sandbox

Kubernetes SIG Apps' Sandbox CRD and controller: stateful singleton pods with stable identity and persistent storage for agent runtimes and RL — templates, claims, warm pools; gVisor/Kata isolation.

Why switchBoth run agent sandboxes on Kubernetes; agent-sandbox is a CRD for stateful sandbox pods, OpenShell adds kernel-level policy, egress control and credential injection.
Full comparison →