Similar to CPython

Linux-libre

Linux kernel

LIRC

Lis (linear algebra library)

MDB Tools

Mesa (computer graphics)

Metacity

TinySPARQL

MicroEMACS

MiKTeX

Mined (text editor)

Mintty

Mirai (malware)

MPICH

MsQuic

MuPDF

Musl

Mutter (software)

GNU nano

Ncdu

Ncurses

Ne (text editor)

Netatalk

Netcat

Netpbm

NetSurf

Newlib

Nginx