Cryptick gets the price of Bitcoin, Ethereum, and Ripple in USD every 30 seconds, updating the prices on the fly.
Clicking on the prices will present you with the Opening, High, and Low prices from the past 24 hours.
An additional button allows you to open GDAX in your default browser to easily make trades when the prices are to your liking.
This project is open source, and if you encounter problems with it, please open an Issue on GitHub. Enjoy!