Application
Apps & UIsCoding
Onlook
1Visual 2AI 3editor 4for 5React 6apps
the six Ws · specification
W1
Who
Frontend developers and AI-native designers working in React and Next.js.
W2
What
Onlook is an open source, AI-first visual editor that lets users visually style and edit React applications and see code update in real time.
W3
Where
Runs locally as a self-hosted desktop-style app connected to a Next.js and TailwindCSS codebase.
W4
When
Actively developed with over 26,000 GitHub stars and continuous commits into 2026.
W5
Why
Acts as a Figma-like visual layer over real React code so design changes stay in sync with the codebase.
W6
With
Requires a Next.js project styled with TailwindCSS and can call an LLM for AI-assisted edits.
W7
Watch
Apache 2.0 open source and self-hosted, any AI-assisted editing features route prompts to whichever LLM provider is configured.