open sourceopen source · MITlast verified September 6, 2026official site ↗
At a glance
100% free and open-source WebAssembly sandbox engine for secure, sub-millisecond untrusted code execution (MIT license, $0 software cost). Fully self-hostable with zero licensing fees.
Self-hosting cost
Zerobox is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.
100% free and open-source WebAssembly sandbox engine for secure, sub-millisecond untrusted code execution (MIT license, $0 software cost). Fully self-hostable with zero licensing fees.
Does Zerobox have a free plan?
Yes — Zerobox is open source and free to use.
Can you self-host Zerobox for free?
Zerobox is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.
What are free or cheaper Zerobox alternatives?
OpenLIT, Cilium, OrbStack are in the same category with a free plan or open-source license.
pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.