Alfred

Alfred is an application launcher and productivity application for macOS. Alfred is free, though an optional paid upgrade ('Powerpack') is available.Using a keyboard shortcut chosen by the user, Alfred provides a quick way to find and launch applications and files on the Mac or to search the web both with predefined keywords for often-used sites such as Amazon.com, IMDb, Wikipedia and many others, with the ability to add users' custom searches for the sites most applicable to them. In its free version it also serves as a calculator, spell-checker and a convenient interface for controlling the Mac with system commands.Alfred's capabilities can be extended with the Powerpack which provides additional features, including the ability to directly navigate your file system, perform actions on the files and applications you search for, control iTunes, open Address Book entries, save text clips, and more.