Marked - Smart tools for smart writers. $3.99
new email app for mac
nvAlt adds Markdown support (and other features) to the popular Notational Velocity app. It syncs seamlessly with Simplenote or Dropbox. I use it for everything from shopping lists to writing blog posts.
Apple iWork '11
Wren — Tweet without being distracted by your timeline
Qbserve: simple way to track how you spend your days.
Flow: Todos for teams, done right. Plus, I do their tech support :)
16 drop-dead gorgeous examples of mobile design inspiration | Econsultancy
iA Writer | Beautiful UI