Simplenote
- Manage your notes, to-do lists, and new ideas in one place.
Aperture
- Aperture combines the control and speed pros want for demanding photo tasks with the easy learning curve iPhoto users need to step up to an advanced..
Messages
- iMessage lets you send messages to anyone on a Mac, or an iPhone, iPad, or iPod touch running iOS 5.
Mental Case
- Many things - a drop box for your thoughts, RSS for your head, an index of your knowledge - but ultimately, it's just a fun way to remember stuff.
Marked
- Preview Markdown files, review and export personal documents.
Mail
- Mail offers an elegant full-screen interface that makes it easy to manage all your email from a single, ad-free inbox.
MacVim
- Vim is a highly configurable text editor built to enable efficient text editing.
Leap
- Combination Spotlight, Bridge, Finder, and more.
KeyRemap4MacBook
- A powerful and stable keyboard customizer for OS X.
GoodSync
- Back up and sync files between your Mac and various types of devices.