AppHack is a powerful developer and theming tool to alter, replace or extract the property lists or icons of Mac OS X application bundle packages. AppHack sports a myriad of features, such as the ability to:

• Replace, remove, copy, paste or import a new application bundle icon
• Edit bundle properties such as name, version, get info strings, identifier and signature
• Browse document types supported by application
• Add or remove document types
• Modify document type properties such as document icons, application role, supported suffixes and file types
• Extract and import "Icon Sets" for applications
• Extract and import application information property lists (Info.plist)
• Browse and open Nib files within application bundle

The AppHack source code and application is released under the terms and conditions of the Free Software Foundation's GNU General Public License