personal information manager vs Mozilla Calendar

personal information manager and Mozilla Calendar both are nouns.

Word	Noun	Adjective	Verb	Adverb
personal information manager	Yes	No	No	No
Mozilla Calendar	Yes	No	No	No

personal information manager (noun)	Mozilla Calendar (noun)
A personal information manager (often referred to as a PIM tool or, more simply, a PIM) is a type of application software that functions as a personal organizer.	Mozilla Calendar was a free software / open source calendar and personal information manager based on the open iCalendar standard.