| WAI | Web Accessibility Initiative |
| WCAG | Web Content Accessibility Guidelines |
| MSAA | Microsoft Active Accessibility |
| LARS | Linux Accessibility Resource Site |
| ATAG | Authoring Tool Accessibility Guidelines [engl.] |
| D21 | Initiative D21 e. V. Berlin, http://www.initiatived21.de |
| ALI | Arbeitslosen-Initiative |
| AI | Arbeitslosen-Initiative e.V. Siegburg |
| ZAI | Zero Administration Initiative |
| I3 | IMA Interoperability Initiative |
| ITZ | Initiative Tageszeitung e.V. Bonn, http://www.drehscheibe.org |
| NAI | New Atlantic Initiative vgl. Washington, DC, http://www.aei.org |
| GNI | Grenoble Network Initiative |
| IEN | Initiative europäischer Netzbetreiber |
| IFM | Initiative Frieden und Menschenrechte, [DDR] |
| IDR | Initiative Digitaler Rundfunk |
| IID | Initiative Informationsgesellschaft Deutschland |
| IIJ | Internet Initiative Japan |
| OAI | Oracle Academic Initiative |
| OAI | Open Archive Initiative |
| NII | National Information Initiative |
| KnowREG | Initiative wissensintensive Regionen |
| ISI | Information Society Initiative |
| GII | Global Infrastructure Initiative |
| GIB | Gastro Initiative Berlin |
| OSI | Open Source Initiative |
| DLI | Digital Libraries Initiative Vgl. http://cdli.mpiwg-berlin.mpg.de/web/digitlib.html |
| BIU | Bürger-Initiative Umweltschutz |
| Ikvu | Initiative Kirche von unten Bonn, http://www.ikvu.de |
| CIB | Congress Initiative Berlin |
| TEI | Text Encoding Initiative |
| TAFI | Initiative zur Betrugsbekämpfung im Textilhandel |
| AI 2000 | Arbeitslosen-Initiative 2000 e.V. Siegburg |
| DINI | Deutsche Initiative für Netzwerkinformation e. V. Göttingen, http://www.dini.de |
| SEI | Space Exploration Initiative |
| PWI | Public Windows Initiative |
| SMTI | Systems Management Tools Initiative |
| OSGI | Open Services Gateway Initiative |
| SIMA | Support Initiative for Multimedia Applications |
| WHTI | Western Hemisphere Travel Initiative |
| SDI | Strategic Defense Initiative [US-Regierung] während der Reagan-Administration erdachtes weltraumgestütztes Raketenabwehrsystem |
| SDIO | Strategic Defense Initiative Organisation 1984 im US-Verteidigungsministerium geschaffene Raketenabwehrbehörde |
| SDMI | Secure Digital Music Initiative |
| OMI | Open Microprocessor Systems Initiative |
| EITI | European Interconnect Technology Initiative |
| ECDI | Early Childhood Development Initiative |
| DEN | Directory Enabled Network [initiative] |
| ESSI | European Systems and Software Initiative |
| FCSI | Fiber Channel Systems Initiative |
| GEMI | Global Environmental Management Initiative |