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ComposeBox

Jetpack Compose Multiplatform Playground

Year: 2025
Client: Self Project

ComposeBox - Jetpack Compose Multiplatform Playground

Leading platform for Jetpack Compose Multiplatform developers to experiment with Compose code online without installation.

Overview

ComposeBox was born from the need for developers to have an easy and fast playground for experimenting with Jetpack Compose Multiplatform. We believe that every developer deserves access to powerful tools without having to go through complex setup processes. This open-source project provides a web-based playground where developers can write, test, and share Compose code instantly.

Technology Stack

Frontend

  • Framework: Next.js 15 with App Router
  • Language: TypeScript for type safety
  • Styling: Tailwind CSS
  • Code Editor: Monaco Editor for code editing

Backend

  • Language: Kotlin Multiplatform
  • UI Framework: Jetpack Compose for Web
  • Runtime: WebAssembly (WASM)
  • Build System: Gradle

Key Features

Real-time Preview

See your Compose code results directly without manual build processes. The playground provides instant feedback as you code.

No Setup Required

Start coding immediately without installing Kotlin, Android Studio, or other development tools. Everything runs in the browser.

Easy Sharing

Share your experiments with simple links, making collaboration and code sharing effortless.

Multiplatform Support

Full support for Android, iOS, Desktop & Web platforms through Kotlin Multiplatform technology.

Vision & Impact

ComposeBox democratizes access to Jetpack Compose development by eliminating the barrier of complex setup processes. This open-source tool enables developers worldwide to:

  • Experiment with Compose code without local development environment setup
  • Learn and practice Compose Multiplatform concepts instantly
  • Share and collaborate on Compose experiments easily
  • Accelerate the adoption of Kotlin Multiplatform technology

Open Source Contribution

This project is fully open-source and available on GitHub, encouraging community contributions and improvements to the Compose development ecosystem.

Target Users

ComposeBox serves Android developers, Kotlin Multiplatform enthusiasts, and anyone interested in exploring Jetpack Compose without the overhead of traditional development environment setup.

Gallery

Tags & Tech Stack

Web Apps
React
Next.js
TypeScript
Kotlin Multiplatform
Jetpack Compose
WebAssembly
Monaco Editor
Open Source
Developer Tools
Playground