Zipeg is free utility for Mac OS X. Zipeg allows you to open and explore content of zip, rar and other archives, preview files and images before you extract/unzip them. Extract only the files you want. Zip thru photo archives. See image thumbnails. Zipeg allows you to decide what do you want to extract. You can choose what to extract and where to put extracted files or just drag and drop them.

Komodo IDE 4 is a powerful, multi-platform, multi-language IDE for end-to-end development of dynamic web applications. Komodo IDE makes creating robust web apps fast and easy, with a rich feature set for client-side Ajax technologies such as CSS, HTML, JavaScript and XML, coupled with advanced support for dynamic languages such as Perl, PHP, Python, Ruby and Tcl.

Komodo Edit is a free, open sourced, multi-platform, multi-language editor for dynamic languages and Ajax technology, including Perl, PHP, Python, Ruby and Tcl; plus support for browser-side code including JavaScript, CSS, HTML and XML. Background syntax checking and syntax coloring catch errors immediately, while autocomplete and calltips guide you as you write. Available on Windows, Mac OS X and Linux.