World Time Buddy - Effortless time conversion and world time.
ConvertAll - A comprehensive unit conversion program.
Time.is - exact time in any location
Converter NOW - A simple, immediate and fast unit converter!
timeanddate.com - Free Clock for your website or blog!
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.