With Application Wizard you can easily force frozen and unresponsive applications to quit.
Force an application to quit
Display the Quit menu, hold down the Option key, and choose the application.
Force all applications except the active application to quit
Display the Quit menu, hold down the Option key, and choose “Force Quit Others”.
Force all applications to quit
Display the Quit menu, hold down the Option key, and choose “Force Quit All”.
Force all applications in a group to quit
Display the Quit menu, hold down the Option key, and choose “Force Quit All” from the group’s submenu.
Force an excluded application to quit
Display the Quit menu, hold down the Option key, and choose the application from the Excluded Applications submenu.
Force all excluded applications to quit
Display the Quit menu, hold down the Option key, and choose “Force Quit Excluded”.
Force a background-only application or a background service to quit
Display the Quit menu, hold down the Option key, and choose the application or service from the Background Processes submenu.
Warning: By forcing an application to quit, you may lose unsaved changes.
Related topics
Customize the Quit menu
Use the Quit menu
Keep applications always running