Hey y'all. I recently built a live XRP price ticker web app https://RippleTick.com - yesterday, I released a Chrome extension for it:
https://chrome.google.com/webstore/detail/rippletick/hipilpceecbhfpflneijogboalilnfjp
It uses CoinCap websocket for USD data and CryptoCompare for all over fiat currencies.
Enjoy!