| Abbreviation | Definition |
|---|---|
| ZFS | Zope File System |
| ZI | Zero Information |
| ZIG | Z39.50 Implementors Group |
| ZINA | Zina Is Not Andromeda |
| ZINC | Zinc Is Not Canvas |
| ZING | Z International Next Generation |
| ZIP | Zone Information Protocol |
| ZLE | Zero Latency Enterprise |
| ZMB | Zone Management Buffer |
| ZOK | Zaurus Otaku Kurabu |
| ZOOM | Zenith Optimisation Of Media |
| ZPT | Zope Page Template |
| ZQR | Zope Quick Reference |
| ZSH | Z- SHell |
| ZSS | Z Style Sheet |
| ZT | Zoom Text |
| ZUG | Zaurus User Group |
| ZVD | ZyXEL Voice Data |
| ZY3 | Zyborgs true type font |