Sidetrash

This little utility moves to trash one or more files or folders dropped on it. This is useful if you like to have the trash available on every Finder window, or if you have the dock hidden but want to take the trash visible. Platforms: Mac

This application helps you to identify the type of a file. It relays on the Unix command-line utility 'file'.It is useful if you have a file without extension or other file type identifiers. For example, some e-mail attachments.The application also displays the MIME type. Platforms: Mac

Age is an Apple's Address Book plug-in that calculates the age of a person using the birthday date. Platforms: Mac