a name which means "memory" in greek. in greek mythology, mneme was one of the original three muses, the muse of memory.

A moon of Jupiter was discovered by Scott S. Sheppard and team in 2003. Mneme is also designated as "Jupiter XL" and "S/2003 J21". In Greek mythology, Mneme was one of the three original Muses.

Mneme (nee'-mee, ; Greek Μνήμη), or Jupiter XL, is a retrograde irregular satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard, et al. in 2003, and was provisionally designated S/2003 J 21.

Mneme is a combination of Web application and shell scripts that are used to help people remember upcoming events or action that they need to take. The Web application portion allows a user to add, edit, view, and delete reminders. There are two shell scripts to choose from that generate emails when the reminders are due.