Fri, Apr 24
Visual Merge and Diff Tools

Bumped into this file compare utility:

P4Merge lets you visualize the differences between file versions. Color coding makes it easy to resolve conflicts that result from parallel or concurrent development.

Visual Merge and Diff Tools

Fri, Jun 6
Shell Scripting in Objective-C

A shell script that makes it easy to use Objective-C files for shell script-like tasks – Ilja Iwas

Thu, Jun 5
The Friendly Python Image Library

The “Friendly” Python Imaging Library adds image processing capabilities to your Python interpreter – Pillow

Wed, Jun 4
OS X System Maintenance Utility (free)

…easily run many of the system level Unix shell scripts that perform maintenance routines as well as clearing many of the cache files used by OS X – @yasuapp

Tue, Jun 3
Free, Open Source Plain Text Editor for OS X

A lightweight plain-text editor for OS X – CotEditor Project