Application
CodingApps & UIs
bolt.diy
1Prompt 2AI 3to 4build 5web 6apps
the six Ws · specification
W1
Who
Maintained by StackBlitz Labs and community (the open version of Bolt.new).
W2
What
A prompt-driven full-stack app builder that generates, runs, and previews projects in the browser.
W3
Where
Runs entirely in the browser using WebContainers; self-hostable.
W4
When
Reach for it when scaffolding and iterating on full-stack web apps from natural language.
W5
Why
Open-source, model-agnostic, and runs the whole dev environment client-side with live preview.
W6
With
An LLM API key (many providers); runs on WebContainer in a browser.
W7
Watch
StackBlitz-affiliated open-source; generated code executes in the in-browser sandbox, not on your host. MIT licensed, popular and active.