Snapz Pro X is a utility program for Mac OS X

Mac OS X

Mac OS X is a series of Unix-based operating systems and graphical user interfaces developed, marketed, and sold by Apple Inc. Since 2002, has been included with all new Macintosh computer systems...

 developed by Ambrosia Software

Ambrosia Software

Ambrosia Software is a predominantly Macintosh software company located in Rochester, New York. Ambrosia produces utilities and games. Its products are distributed as shareware; demo versions can be downloaded and used for up to 30 days....

. It is designed to record movie-like screenshots of a computer monitor doing various actions, such as a user moving their mouse across the screen, clicking on desktop icons, typing text, et cetera. It has been used commercially in the production of books, such as O'Reilly Media

O'Reilly Media

O'Reilly Media is an American media company established by Tim O'Reilly that publishes books and Web sites and produces conferences on computer technology topics...

's series, The Missing Manual, and others.