XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
CurrencyScoop - Developer-friendly REST API with real-time and historical currency exchange rates for world currencies and cryptocurrencies.
Valuta+ - Valuta+ is a super simple & free currency converter. The interface is fast and makes you convert exchange rates very easily. This app have more than 160+ currencies for you and is always updated.
Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.
exRate - exRate is a web application created to help users easily manage their exchange rate alerts.
Elk - The fastest way to convert currencies on mobile.