Sandboxed Review 2026: The Open-Source Engine Behind AI App-Builders (448★ in 3 Days)

Disclosure: I may earn a commission if you sign up through links in this review — at no extra cost to you. This doesn’t affect my assessment. Full FTC disclosure. Quick take: Sandboxed is the open-source backend that powers AI “build-in-a-browser” apps. One ./install.sh and you get isolated sandboxes, built-in coding agents, and auto preview URLs — no Kubernetes, no message queues, no SaaS dependencies. But ever wanted to spin up something like Lovable or Bolt on your own server? And not just the frontend — the actual backend that creates sandboxes, runs AI agents, and serves live preview URLs. ...

June 6, 2026 · 4 min · GitHubDigger