Open source alternative to Auth0 / Firebase Auth / AWS Cognito

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

Official repository now at [phonegap/phonegap-plugin-barcodescanner](http://github.com/phonegap/phonegap-plugin-barcodescanner).

React Native wrapper for the Activity Recognition API.

Java library for interfacing with various fingerprint sensor modules can be used with the Raspberry Pi, PC and Arduino