Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
KiteDesk - Use KiteDesk sales prospecting software to generate leads from our premium data marketplace. Then reach prospects and build a sales pipeline with organized Lead Lists. Syncs direct with CRM too!
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.
BuiltWith - Find out the technology behind websites
Yahoo! Finance - Currencies Center - Currency Converter from Yahoo! Finance.