| Abbreviations.com - Browse acronyms and abbreviations by category. |
| Ackr - Multilingual dictionary of acronyms with cross-language links. |
| ACRO.IT Acronym Directory - Collection for information technology and related subjects. |
| Acronym Arsenal - Computer and communication acronyms. |
| Acronym Geek - Searchable acronym-only database. Features related definitions and multi-letter acronym tables. |
| Acronym Guide - A directory of common acronyms by topic. |
| Acronym Search - Lookup engine which accepts new entries. |
| Acronyma - Definitions in multiple languages. |
| Acronyms and Abbreviations - Online translation lookup of English and German. |
| Acronyms and Abbreviations Dictionary - Contains terms with origins in the military, medical, technological, and business and training fields. |
| Acronyms and Initialisms for Health Information Resources - Acronyms for global information and data resources in the health sciences. |
| AfkWin Acronyms - Features downloadable browser and filter software. In Dutch and English. |
| All Acronyms - Provides definitions of acronyms and abbreviations sorted by categories and alphabetically. |
| Altronix Technical Acronyms - A list in common usage in the computer, electronics and engineering fields. |
| Apronyms - Lists educational and mnemonic acronyms. |
| AuctionSlanguage - Database of online auction related terms. |
| Babel: Computer-related Acronyms - A glossary of computer science and internet acronyms. |
| Biomedical Acronym Resolver - Catalog of biomedical acronyms and abbreviations. |
| Broadband Acronyms & Definitions - Terms used by service providers and software developers. |
| Cartography Acronyms - Dictionary of terms used in geographic information systems, cartography and remote sensing. |
| CDIA Center Acronyms and Abbreviations - Carbon Dioxide Information Analysis Center indexed list. |
| Dictionary of Initials Acronyms and Abbreviations Used by Counselors - Subdivided by first letter. |
| Dictionary of Quaternary Acronyms and Abbreviations - Acronyms and abbreviations that are common in Quaternary studies. |
| Explain Acronym Search - Provides a lookup tool. |
| Freeware Hall of Fame - Acronyms and emoticons used in the computer community. |
| Frequently Seen Space/Astronomy Acronyms - Terms commonly appearing in space-related newsgroups. |
| Glossary and Acronyms for PC and Server Technologies - Glossary of hardware and driver development terms for Windows products. |
| The Great Abbreviations Hunt - A general guide to three and four letter terms. |
| Hawkman's Automotive Abbreviations - Indexed list of auto related abbreviations. |
| Health & Safety Acronyms - Short list used in the field of UK Occupational Health and Safety. |
| High Energy Astrophysics: Common Acronyms - A small, very specialized reference. |
| The Internet Acronym Server - Allows a search for terms containing a particular word. |
| Learning, Performance, and Training Acronyms - Small collection of human resource oriented terms. |
| MediLexicon - Searchable database of pharmaceutical, healthcare and medical abbreviations and acronyms. |
| Svetlozar Online's Abbreviation Glossary - Computer and telecommunications acronyms and their meanings. Searchable and browsable. |
| The Ultimate Computer Acronyms Archive (TUCAA) - Offers a searchable or browsable interface. |
| USPS Acronyms and Abbreviations Glossary - United States Postal Service terms and operational numbers. |
| USPS Official Abbreviations - Official abbreviations of the United States Postal Service. |
| V.E.R.A. - Virtual Entity of Relevant Acronyms - List of computer acronyms, with cross references. |
| Veterinary Abbreviations and Acronyms Glossary - Terms commonly used in veterinary practice. |
