Stay on OpenSandbox
You need a thin, self-hosted sandbox API for general exec, agent, or evaluation workloads.
OpenSandbox alternative
OpenSandbox is a general self-hosted sandbox platform with lifecycle APIs and configurable isolation. Appaloft Agent Workspace is Public Alpha; its managed Execution Sandbox, Source Artifact, Candidate Preview, and Sandbox Promotion are Private Preview. Deploy & Verify is Available.
Appaloft has two doors: deploy this folder, or teach a local agent. The comparison below stays on this competitor's product center.
Selection guide01 02 03
Choose Appaloft
You need Public Alpha workspace continuity, Private Preview candidate review, and Available Deploy & Verify evidence.
Use both
Keep isolated execution on OpenSandbox and evaluate Appaloft Private Preview for managed candidate review and promotion; Deploy & Verify is Available.
Side-by-side comparison
OpenSandbox / Appaloft
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| Decision axis | OpenSandbox | Appaloft |
|---|---|---|
| Primary job | General sandbox platform | Agent Workspace (Public Alpha) plus delivery control |
| Lifecycle | Create, exec, pause, TTL | Workspace record (Public Alpha); managed execution (Private Preview) |
| Artifact preview | Consumer-defined | Candidate Preview (Private Preview) |
| Promotion | API consumer decides | Sandbox Promotion (Private Preview); external principal required |
| Deployment | Adjacent integrations | Deploy & Verify (Available) |
01
Compare the right layer
OpenSandbox is strongest when isolated execution and lifecycle APIs are the product. Appaloft Agent Workspace is Public Alpha; the managed path from execution to a reviewable candidate is Private Preview.
OpenSandbox
- General exec and evaluation
- Self-hosted lifecycle APIs
- Configurable runtime isolation
Appaloft
- Reconnectable Agent Workspace · Public Alpha
- Managed execution and Source Artifact · Private Preview
- Deploy & Verify evidence · Available
02
Execution is not promotion
A secure guest and a safe release boundary solve adjacent problems. Appaloft Source Artifact, Candidate Preview, and Sandbox Promotion are Private Preview and require an external principal to promote a candidate.
OpenSandbox
- Guest isolation focus
- Credential and egress patterns
- Flexible runtime templates
Appaloft
- Source Artifact · Private Preview
- Sandbox Promotion · Private Preview
- Dynamic application runtime preview · Planned
Evidence boundary
Compare product centers, not presumed absences
This page compares OpenSandbox and Appaloft using their public product positioning. It does not claim OpenSandbox cannot accomplish a task through APIs, extensions, or external orchestration. Capabilities, licensing, and pricing change; review official documentation before purchasing.
Frequently asked questions
Can Appaloft replace OpenSandbox?
For general isolated exec alone, OpenSandbox is thinner. Evaluate Appaloft when Public Alpha workspace continuity and the Private Preview candidate workflow match your maturity requirements.
Can the products be combined?
Yes. OpenSandbox can remain an execution substrate while Appaloft Deploy & Verify (Available) owns deployment evidence; candidate review and promotion remain Private Preview.
Does workspace mean a new isolation technology?
No. Isolation is supplied by the selected provider or template. Agent Workspace is Public Alpha; managed Execution Sandbox is Private Preview.