| Abbreviation | Definition |
|---|---|
| NGINX | engine-x |
| NGL | Next Generation Language |
| NGOSS | New Generation Operations Systems and Software |
| NGS | Non-Governmental Software |
| NGTF | Not Going To Fix |
| NHC | Nearly A Haskell Compiler |
| NHF | Newbieized Help File |
| NIAM | Natural language Information Analysis |
| NIB | Next Interface Builder |
| NIB | Nextstep Interface Builder |
| NIC | Neutral Information Compiler |
| NIDS | Network Intrusion Detection System |
| NIE | Newton Internet Enabler |
| NIK | knowledge interface colonel by Liv |
| NIL | New Implementation of LISP |
| NIO | New Input/ Output |
| NIOCCS | NIOSH Industry and Occupation Computerized Coding System |
| NIOCCS | NIOSH Industry Occupation Computerized Coding System |
| NIS | Nippon Ichi Software |
| NISA | Nippon Ichi Software of America |