TodayFlights is a Notification Center widget that allows you to track flights using the 'FlightUtilities' macOS system framework.
Your Monash University timetable in your Mac's menu bar.
CloudyTabs is a simple menu bar application that lists your iCloud Tabs.
Aristocrat is simple utility that makes Optical Character Recognition and Barcode Decoding easy.
Browser extension that correctly styles all occurences of 'Xcode'.
Dictionary++ is a simple interface to iOS's system dictionary.