| MPL | Mozilla Public License |
| GPL | GNU Public License |
| CPL | Common Public License Open-Source-Lizenz |
| QPL | Q Public License [Trolltech] |
| GPL | General Public License [GNU] |
| LPPL | LaTeX Project Public License |
| LGPL | Library/Lesser General Public License [GNU] |
| APSL | Apple Public Source License [engl.] |
| AGFPL | Aladin Ghostscript Free Public License [engl.] Ghostscript ist eine kostenlose Implementation der Seitenbeschreibungssprache PostScript® und des Portable Document Format (PDF) von Adobe |
| MTB | Mozilla Thunderbird |
| MoFo | Mozilla Foundation |
| MAF | Mozilla Archive Format |
| CL | Current License |
| LA | License Application |
| EULA | End User License Agreement |
| FDL | [GNU] Free Documentation License |
| FLS | Floating License Server |
| GFDL | GNU Free Documentation License |
| GLP | Government License Program |
| LMF | License Management Facility |
| SLP | School License Program |
| RF | Royalty Free [License] |
| VLA | Volume License Agreement |
| OSL | Open Subscription License |
| OLE | Open License for Education |
| NLS | Network License Server |
| MOLP | Microsoft Open License Pak |
| OPL | Open Publication License |
| LoL | Loss of License [engl.] Verlust der [Flug- oder ähnlichen] Lizenz |
| LMS | License Management Service |
| ELP | Education License Program |
| ELD | Electronic License Distribution |
| CCL | Creative Commons License |
| DLC | Driver's License Compact |
| CLL | Corel License for Learning |
| CAL | Client Access License [engl.] |
| CDDL | Common Development and Distribution License [Sun] |
| OLP | Open License Plan/Program |
| CVW | Collaborative Virtual Workspace [License] |
| ECDL | European Computer Driving License Dublin, http://www.ecdl.com |
| AOSL | APSR Open Source License [engl.] |
| HESSLA | Hacktivismo Enhanced Source Software License Agreement |
| PR | Public Relations |
| PKC | Public Key Cryptography |
| PKI | Public Key Infrastructure |
| PD | Public Domain |
| NP | Notary Public öffentliches Notariat |
| PAX | Public Access Xanadu |
| SPKM | Simple Public Key GSS-API Mechanism |
| OPI | Open to Public Inspection |