XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
WeSwap - P2P currency exchange. Travel money on your smartphone.
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.
US Dollar Inflation Calculator - Calculate the value of the US dollar adjusted for inflation
Yahoo! Finance - Currencies Center - Currency Converter from Yahoo! Finance.
Orion Desktop - QML/C++-written cross-platform desktop client for Twitch.tv