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.
XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
Yahoo! Finance - Currencies Center - Currency Converter from Yahoo! Finance.
Currencies - An exchange rates currency converter for Android
Simple Online Tools by Solvid. - A collection of simple and handy online tools.
Elk - The fastest way to convert currencies on mobile.