Emacs
toolsExtensible, customisable text editor with a history spanning over four decades
Pronunciation
Correct
EE-maks
/ˈiːmæks/
Stands for 'Editor MACroS' (originally). Pronounced with a long 'ee' and a short 'a' in 'maks'. The GNU Emacs documentation and community universally use this pronunciation.
Source: www.gnu.org(community consensus)