Similar to Matplotlib

Mumble (software)

Music Center for PC

Mwave

MXML

Ncurses

Neo4j

Netlib

.NET Remoting

Newlib

Nginx

NHibernate

Nimda

List of information graphics software

Ggplot2

Grapher

GraphPad Prism

IGOR Pro

IDL (programming language)

PGPLOT

Plotutils