Expo is a mobile app development tool that enables you to build high quality native iOS and Android applications using JavaScript and deploy them effortlessly.

• Support for iOS and Android
• ​Push Notifications
• Facebook Login
• Instant Updating
• Asset Management
• Easier Updating To New React Native Releases

Features

• You don't need to open Xcode / Android Studio
• You don't need to write native code
• Support both iOS and Android
• Single build process for both iOS and Android
• Share the app without going to Apple or Google Store
• You have access to native modules through Expo SDK
• Publish the app by pressing a single button
• Open Source
• Great docs

Expo Sketch Snack is a new tool for prototyping and sharing React Native screens, inspired by CodePen, JSFiddle, JSBin and others

• Support for iOS and Android
• Instantly test your code on a device, or in the browser
• All the features of Expo at your fingertips
  • ​vector-icons, redux, socket.io, pubnub, router, threejs, graphql, etc.
• Drag and drop components to add features instantly
• See Device logs in the Editor
• Integrated ESLint support
• Save and share sketches
• Embeded preview

Features

Read more on Medium

For the things we have to learn before we can do them, we learn by doing them.

- Aristotle, The Nicomachean Ethics

1. Guillotine menu
2. Mobile Shopping cart
3. Everquotes
4. Plus expanded
5. Swipe cards
6. Dating app

Open source links