Financial Toolbelt - Powerful calculators that help you improve your finances
ConvertAll - A comprehensive unit conversion program.
Bootstrap Money - How much money can you make selling software?
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.
Evaluator - A simple calculator app for macOS and Windows
Convert for Windows - Convert is a free and easy to use unit conversion program that will convert the most popular units...