StatsBar shows you comprehensive stats about your Mac and allows you to free up inactive RAM either on demand or at a threshold.
Moment is a tidy, elegant menu-bar app that gives you quick access to your Facebook notifications, and makes submitting status updates as simple as click and type, or drag and drop.
It's hard to use a modern computer interface without a mouse or trackpad, but Shortcat helps you reduce your dependency on point-and-click in favor of clever keyboard-based shortcuts that work nearly everywhere on your Mac.
Startupizer supercharges OS X's Login Items list by letting you determine the order in which login items load, as well as configure conditions that determine whether each item loads.
Bjango's iStat Menus 4 does a better job than the competition when it comes to showing you what's going on inside your Mac.
Eye-Friendly's keyboard shortcuts and multiple-display support make it a nice resolution switcher for Retina MacBooks.
Timebar's visual approach to timers repurposes your menu bar inoffensively.
Cordless Dog's Stay ensures your windows stay where you want them. It's a useful utility for Mac users who switch between multiple monitor configurations, such as MacBook owners who connect to an external display.
Retina MacBook Pro owners should have a screen resolution switching utility, and Pupil is one to consider. It’s convenient and pleasing to use, despite a few minor quirks.
If you frequently need to type special characters and symbols that aren't displayed on your keyboard, Characters makes it easy to do so from within any app.