Perian is a free plugin that enables QuickTime to play almost every popular video format.
Observes filesystem changes using the same underlying API as Spotlight Provides a graphical representation of the file activity
Textpander listens to what you type and inserts text snippets on the fly whenever you enter their corresponding predefined abbreviations.
A preference pane that allows a user to set the default application used for various URL schemes, file extensions, MIME types, and more.
RCDefaultApp is a Mac OS X 10.2 or higher preference pane that allows a user to set the default application used for various URL schemes, file extensions, file types, and MIME types.
It allows your computer to determine its context through gathering evidence from your environment (evidence sources), using flexible rule-based fuzzy matching to make an educated guess (rules), and then performing arbitrary actions upon changing context (
