Free Secure code sandbox for agents for AI agents

Run it free (4)

• E2B SDK · dev_tool · oss · Apache-2.0

  Open-source sandbox SDK. Hosted E2B sandbox time is not included and is not given a free quota here.

  Limits: none stored.

  Source · asOf 2026-10-25 · Do not read this as a free hosted sandbox tier. Hosted rates stay in pricing rows. Re-fetched twice 2026-10-25 (~10 s apart, plain curl, no login): GitHub blob page HTTP 200, no redirect (page chrome differs between fetches); raw LICENSE fetched twice too, HTTP 200, byte-identical: 'Apache License Version 2.0, January 2004' / 'Copyright 2023 FoundryLabs, Inc.'. License unchanged.

• Firecracker · free_sandbox · oss · Apache-2.0

  Open-source microVM monitor for isolating agent code.

  Limits: none stored.

  Source · asOf 2026-10-25 · LICENSE fetched 2026-10-03 is Apache License 2.0. This is the OSS runtime, not a hosted sandbox minute price. Re-fetched twice 2026-10-25 (~10 s apart, plain curl, no login): HTTP 200, no redirect, byte-identical: 'Apache License Version 2.0, January 2004'. License unchanged.

• gVisor · free_sandbox · oss · Apache-2.0

  Open-source application kernel for sandboxing processes.

  Limits: none stored.

  Source · asOf 2026-10-25 · LICENSE fetched 2026-10-03 is Apache License 2.0. Re-fetched twice 2026-10-25 (~10 s apart, plain curl, no login): HTTP 200, no redirect, byte-identical: 'Apache License Version 2.0, January 2004'. License unchanged.

• Bubblewrap · free_sandbox · oss · LGPL-2.1

  Open-source unprivileged sandbox tool for Linux.

  Limits: none stored.

  Source · asOf 2026-10-25 · COPYING fetched 2026-10-03 is GNU LGPL version 2.1. Re-fetched twice 2026-10-25 (~10 s apart, plain curl, no login): HTTP 200, no redirect, byte-identical: 'GNU LESSER GENERAL PUBLIC LICENSE Version 2.1, February 1999'. License unchanged.

Reference (docs, public datasets and benchmarks) (0)

None.