Git’s design is a great example of the Unix design philosophy: many small programs. Though originally designed as a toolkit, it instead became program comprised of many small components.
Just an unranked list of free or (mostly) inexpensive apps that I have come to rely on for every day web dev use.
To find what version you have without launching Xcode…
Getting PHP Xdebug working on Mac OS X 10.7 Lion
This is a solution for one of those extremely small details regarding your website: the favicon.