| The Collaborative International Dictionary of English | tarball | GPL, 35M, 174222 words | |
| WordNet | tarball | GPL, 10.7M, 149535 words | |
| Moby Thesaurus II | tarball | GPL, 11M, 30259 words | |
| Webster's Revised Unabridged Dictionary (1913) | tarball | GPL, 28M, 160161 words | |
| Elements database | tarball | GPL, 18K, 127 words | |
| Virtual Entity of Relevant Acronyms | tarball | GPL, 214K, 7117 words | |
| Jargon File | tarball | GPL, 668K, 2367 words | |
| Free On-Line Dictionary of Computing | tarball | GPL, 2.3M, 13452 words | |
| Easton's 1897 Bible Dictionary | tarball | GPL, 1M, 3843 words | |
| Hitchcock's Bible Names Dictionary | tarball | GPL, 57K, 2611 words | |
| Bouvier's Law Dictionary | tarball | GPL, 2.3M, 6326 words | |
| THE DEVIL'S DICTIONARY | tarball | GPL, 176K, 986 words | |
| CIA World Factbook 2002 | tarball | GPL, 1.5M, 272 words | |
| The CIA World Factbook (1995) | tarball | GPL, 979K, 273 words | |
| U.S. Gazetteer (1990) | tarball | GPL, 2.2M, 52991 words | |
| U.S. Gazetteer Counties | tarball | GPL, 509K, 10223 words | |
| U.S. Gazetteer Places | tarball | GPL, 2.8M, 42620 words | |
| U.S. Gazetteer Zip Code Tabulation Areas | tarball | GPL, 2.4M, 33246 words | |
| Oxford Advanced Learner's Dictionary | tarball | Free to use, 4.7M, 34153 words | |
| Collins Cobuild English Dictionary | tarball | Free to use, 5.1M, 34097 words | |
| Collins COBUILD Advanced Learner's Dictionary 2006 | tarball | Free to use, 6M, 34159 words | |
| Oxford Collocations Dictionary | tarball | Free to use, 2.7M, 8378 words | |
| Merrian Webster 10th dictionary | tarball | Free to use, 2.5M, 20517 words | |
| The Britannica Concise Encyclopedia | tarball | Free to use, 7M, 24402 words | |
| English Thesaurus | tarball | Free to use, 2.2M, 20003 words | |
| CMU American English spelling | tarball | GPL, 1M, 105626 words | |
| The CMU Pronouncing Dictionary | tarball | GPL, 1.2M, 127012 words | |
| English irregular forms | tarball | GPL, 54K, 4690 words | |
| English Etymology | tarball | GPL, 1.8M, 18380 words | |
| Oxford English Collocation Dictionary | tarball | Free to use, 1.9M, 8338 words | |