This is an Electron based MS Outlook client..
You can learn more about each of these components within the Quick Start Guide.
To clone and run this repository you'll need Git and Node.js (which comes with npm) installed on your computer. From your command line:
# Clone this repository
git clone https://github.com/riolet/lookout.git
# Go into the repository
cd electron-quick-start
# Install dependencies and run the app
npm install && npm start