| CRF++ | | Yet Another CRF toolkit |
| FlightCrew | | EPUB validator |
| GutenMark | | Automatic, high-quality Gutenberg text formatter to LaTeX or HTML |
| GutenMark-words | | Word lists for GutenMark |
| Markdown | | Text-to-HTML conversion tool for web writers |
| OdfConverter | | Converter between Microsoft Office 2007 and OpenOffice formats |
| WordNet | | Lexical reference system |
| aiksaurus | | English-language thesaurus |
| antiword | | Free MS Word to text and PostScript converter |
| apache-velocity (V) | | Java-based template engine for web application |
| asciidoc | | ASCII to formatted document converter |
| aspell | | Spell checker with good multi-language support |
| aspell-af | | Afrikaans language support for aspell |
| aspell-am | | Amharic language support for aspell |
| aspell-ar | | Arabic language support for aspell |
| aspell-ast | | Asturian language support for aspell |
| aspell-az | | Azerbaijani language support for aspell |
| aspell-be | | Belarusian language support for aspell |
| aspell-bg | | Bulgarian language support for aspell |
| aspell-bn | | Bengali language support for aspell |
| aspell-br | | Breton language support for aspell |
| aspell-ca | | Catalan language support for aspell |
| aspell-cs | | Czech language support for aspell |
| aspell-csb | | Kashubian language support for aspell |
| aspell-cy | | Welsh language support for aspell |
| aspell-da | | Danish language support for aspell |
| aspell-de | | German language support for aspell |
| aspell-de-alt | | German (Old Spelling) language support for aspell |
| aspell-el | | Greek language support for aspell |
| aspell-en | | English language support for aspell |
| aspell-eo | | Esperanto language support for aspell |
| aspell-es | | Spanish language support for aspell |
| aspell-et | | Estonian language support for aspell |
| aspell-fi | | Finnish language support for aspell |
| aspell-fo | | Faroese language support for aspell |
| aspell-fr | | French language support for aspell |
| aspell-fy | | Frisian language support for aspell |
| aspell-ga | | Irish language support for aspell |
| aspell-gd | | Scottish Gaelic language support for aspell |
| aspell-gl | | Galician language support for aspell |
| aspell-grc | | Ancient Greek language support for aspell |
| aspell-gu | | Gujarati language support for aspell |
| aspell-gv | | Manx Gaelic language support for aspell |
| aspell-he | | Hebrew language support for aspell |
| aspell-hi | | Hindi language support for aspell |
| aspell-hil | | Hiligaynon language support for aspell |
| aspell-hr | | Croatian language support for aspell |
| aspell-hsb | | Upper Sorbian language support for aspell |
| aspell-hu | | Hungarian language support for aspell |
| aspell-hus | | Huastec language support for aspell |
| aspell-hy | | Armenian language support for aspell |
| aspell-ia | | Interlingua language support for aspell |
| aspell-id | | Indonesian language support for aspell |
| aspell-is | | Icelandic language support for aspell |
| aspell-it | | Italian language support for aspell |
| aspell-kn | | Kannada language support for aspell |
| aspell-ku | | Kurdi language support for aspell |
| aspell-ky | | Kirghiz language support for aspell |
| aspell-la | | Latin language support for aspell |
| aspell-lt | | Lithuanian language support for aspell |
| aspell-lv | | Latvian language support for aspell |
| aspell-mg | | Malagasy language support for aspell |
| aspell-mi | | Maori language support for aspell |
| aspell-mk | | Macedonian language support for aspell |
| aspell-ml | | Malayalam language support for aspell |
| aspell-mn | | Mongolian language support for aspell |
| aspell-mr | | Marathi language support for aspell |
| aspell-mt | | Maltese language support for aspell |
| aspell-nb | | Norwegian (Bokmal) language support for aspell |
| aspell-nl | | Dutch language support for aspell |
| aspell-nn | | Norwegian Nynorsk language support for aspell |
| aspell-ny | | Chichewa language support for aspell |
| aspell-or | | Oriya language support for aspell |
| aspell-pa | | Punjabi language support for aspell |
| aspell-pl | | Polish language support for aspell |
| aspell-pt_BR | | Brazilian Portuguese language support for aspell |
| aspell-pt_PT | | Portuguese language support for aspell |
| aspell-qu | | Quechua language support for aspell |
| aspell-ro | | Romanian language support for aspell |
| aspell-ru | | Russian language support for aspell |
| aspell-rw | | Kinyarwanda language support for aspell |
| aspell-sc | | Sardinian language support for aspell |
| aspell-sk | | Slovak language support for aspell |
| aspell-sl | | Slovenian language support for aspell |
| aspell-sr | | Serbian language support for aspell |
| aspell-sv | | Swedish language support for aspell |
| aspell-sw | | Swahili language support for aspell |
| aspell-ta | | Tamil language support for aspell |
| aspell-te | | Telugu language support for aspell |
| aspell-tet | | Tetum language support for aspell |
| aspell-tk | | Turkmen language support for aspell |
| aspell-tl | | Tagalog language support for aspell |
| aspell-tn | | Setswana language support for aspell |
| aspell-tr | | Turkish language support for aspell |
| aspell-uk | | Ukrainian language support for aspell |
| aspell-uz | | Uzbek language support for aspell |
| aspell-vi | | Vietnamese language support for aspell |
| aspell-wa | | Walloon language support for aspell |
| aspell-yi | | Yiddish language support for aspell |
| aspell-zu | | Zulu language support for aspell |