XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
Yahoo! Finance - Currencies Center - Currency Converter from Yahoo! Finance.
Cocorate.com - Online currency and cryptocurrencies exchange rates calculator helps you convert anything in real-time.
Elk - The fastest way to convert currencies on mobile.
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.
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.