"Marked opens MultiMarkdown, Markdown, Text or HTML files and previews them as HTML documents. It watches the file for changes, updating the preview any time the file is saved."

"Let guests into your beach house while you’re traveling abroad, provision temporary access for contractors at the office, or let friends buzz themselves up to your party without the hassle of physical keys."

"iTerm2 is a Terminal replacement and the successor of iTerm. It focuses on speed, internationalization, and building new features to improve your life."

"CHDK is a firmware enhancement that operates on a number of Canon Cameras. CHDK gets loaded into your camera's memory upon bootup (either manually or automatically). It provides additional functionality beyond that currently provided by the native camera firmware."

"Vagrant is a tool for building and distributing virtualized development environments."

"Review Board is a powerful web-based code review tool that offers developers an easy way to handle code reviews. It scales well from small projects to large companies and offers a variety of tools to take much of the stress and time out of the code review process."

"SuperDuper is the wildly acclaimed program that makes recovery painless, because it makes creating a fully bootable backup painless."

"Quake-style terminal for MacOS X (Terminal.app SIMBL)"

"Type your lists into TaskPaper and each line is formatted into a project, task, or note. TaskPaper doesn’t force a particular system on you; it provides you with basic to-do list elements and then you use them as you see fit."

"f.lux makes your computer screen look like the room you're in, all the time. When the sun sets, it makes your computer look like your indoor lights. In the morning, it makes things look like sunlight again."