Sandbox | Open-source React UI library by William GrossetSandbox | Open-source React UI library by William Grosset

Sandbox | Open-source React UI library

William Grosset

William Grosset

Frontend Engineer

UI Designer

Web Developer

Git

Git

React

React

TypeScript

TypeScript

Computer Software

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Posted Jan 12, 2026

Developed a collection of open-source React components and hooks for building reusable, composable UIs (8K+ downloads).

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Frontend Engineer

UI Designer

Web Developer

Git

Git

React

React

TypeScript

TypeScript

Computer Software

William Grosset

William Grosset

Full-Stack Engineer & Tech Lead (ex-Segment)

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Pubware | Open-source & extensible CLI publisher

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Teslo | Open-source Elo rating package

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© 2026 Contra.Work Inc

Created and open-sourced a collection of re-usable React components and hooks (8K+ downloads)

Technologies: TypeScript, React, Jest

GitHub: https://github.com/react-sandbox