Similar to Bash

MDB Tools

Mesa (computer graphics)

Metacity

TinySPARQL

MicroEMACS

MicroPython

MiKTeX

Mined (text editor)

Mintty

Mirai (malware)

MPICH

MsQuic

MuPDF

Musl

Mutter (software)

Ncdu

Ne (text editor)

Netatalk

Netcat

Netpbm

NetSurf

Newlib

Nginx

Nouveau (software)

Open vSwitch

Openbox

OpenBSD