Altova XMLSpy, StyleVision, and Authentic include a comprehensive spell checker that provides support for numerous languages, as well as extended support for language peculiarities. This is the same highly acclaimed spell checker that is also used by Google Chrome, Mozilla Firefox, OpenOffice, and MacOS X. The spell checker is also compatible with the OpenOffice dictionaries.
In its standard configuration the spell checker in Altova software ships with 12 built-in languages and corresponding licenses, as indicated in the table below.
The selection of built-in dictionaries that ship with Altova software does not constitute any language preferences by Altova, but is largely based on the availability of dictionaries that permit redistribution with commercial software, such as the MPL, LGPL, or BSD licenses. Many other open-source dictionaries exist, but are distributed under a more restrictive licenses, such as the GPL license. Many of these dictionaries are available as part of a separate installer located below. It is your choice as to whether you can agree to the terms of the license applicable to the dictionary and whether the dictionary is appropriate for your use with the software on your computer.

Download Additional Dictionaries

Additional dictionaries for separate languages (and many more variations) are available for downloading here. Please note: for successful installation, the dictionaries.msi installation must be done with Administrator rights.
Dictionary License Standard
Dutch Dictionary BSD and Creative Commons Attribution .
English (British) Dictionary LGPL .
English (New Zealand) Dictionary LGPL .
English (South Africa) Dictionary LGPL .
English (US) Dictionary LGPL / BSD .
French (Modern) Dictionary MPL / GPL / LGPL .
Portuguese (Brazilian) Dictionary LGPL .
Portuguese (Portugal) Dictionary MPL / GPL / LGPL .
Spanish (Spain) Dictionary MPL / GPL / LGPL .
Spanish (Spain and Latin America) Dictionary MPL / GPL / LGPL .
Swedish Dictionary MPL / GPL / LGPL .
Africaan Dictionary LGPL
Albanian Dictionary GPL
Arabic Dictionary MPL / GPL / LGPL
Armenian Dictionary MPL / GPL / LGPL
Assamese Dictionary MPL / GPL / LGPL
Asturian Dictionary GPL
Belarusian Dictionary Creative Commons Share-Alike
Bengali Dictionary GPL
Breton Dictionary LPGL
Bulgaria Dictionary MPL / GPL / LGPL
Cambodian Dictionary GPL
Catalan Dictionary LGPL / GPL
Coptic Dictionary GPL
Croatian Dictionary LGPL
Czech Dictionary GPL
English (Australian) Dictionary GPL
English (Canadian) Dictionary BSD and public domain
English (Chemistry) Dictionary Creative Commons Attribution
Esperanto Dictionary GPL
Estonia Dictionary LGPL
French (Classic) Dictionary MPL / GPL / LGPL
Frisian Dictionary GPL
German (Austria) Dictionary GPL
German (Germany) Dictionary GPL
German (Switzerland) Dictionary GPL
Greek Dictionary MPL / GPL / LGPL
Gujarati Dictionary GPL
Haitian Creole Dictionary GPL
Hebrew Dictionary GPL
Hindi Dictionary GPL
Hungarian Dictionary MPL / GPL / LGPL
Icelandic Dictionary GPL
Indonesian Dictionary GPL
Interlingua Dictionary GPL
Irish Dictionary GPL
Italian Dictionary GPL
Kannada Dictionary MPL / GPL / LGPL
Kazakh Dictionary MPL / GPL / LGPL
Khmer Dictionary GPL
Kurdish Dictionary MPL / GPL / LGPL
Latin Dictionary GPL
Latvian Dictionary LGPL
Lithoanian Dictionary BSD
Lower Sorbian Dictionary GPL
Luxembourgish Dictionary EUPL
Macedonian Dictionary GPL
Maithili Dictionary MPL / GPL / LGPL
Malayalam Dictionary MPL / GPL / LGPL
Maltese Dictionary LGPL
Maori Dictionary GPL
Marathi Dictionary GPL
Mongolian Dictionary GPL
Nepali Dictionary LPGL
Nicaragua Dictionary LGPL
Norwegian Dictionary GPL
Occitan Dictionary GPL
Panjabi Dictionary GPL
Persian Dictionary GPL
Polish Dictionary MPL / GPL / LGPL , Creative Commons Share-Alike
Romanian Dictionary MPL / GPL / LGPL
Russian Dictionary GPL
Rusyn Dictionary GPL
Scottish Gaelic Dictionary GPL
Serbian Dictionary LGPL
Sinhala Dictionary GPL
Slovak Dictionary MPL / GPL / LGPL
Slovenian Dictionary LGPL
Sorbian Dictionary GPL
Spanish (Argentina) Dictionary MPL / GPL / LGPL or LGPL
Spanish (Bolivia) Dictionary MPL / GPL / LGPL
Spanish (Chili) Dictionary MPL / GPL / LGPL
Spanish (Colombia) Dictionary MPL / GPL / LGPL
Spanish (Costa Rica) Dictionary MPL / GPL / LGPL
Spanish (Dominican Republic) Dictionary MPL / GPL / LGPL
Spanish (Ecuador) Dictionary MPL / GPL / LGPL
Spanish (El Salvador) Dictionary MPL / GPL / LGPL
Spanish (Guatemala) Dictionary MPL / GPL / LGPL
Spanish (Honduras) Dictionary MPL / GPL / LGPL
Spanish (Mexico) Dictionary MPL / GPL / LGPL
Spanish (Nicaragua) Dictionary MPL / GPL / LGPL
Spanish (Panama) Dictionary MPL / GPL / LGPL
Spanish (Paraguay) Dictionary MPL / GPL / LGPL
Spanish (Peru) Dictionary MPL / GPL / LGPL
Spanish (Puerto Rico) Dictionary MPL / GPL / LGPL
Spanish (Uruguay) Dictionary MPL / GPL / LGPL
Spanish (Venezuela) Dictionary MPL / GPL / LGPL
Swahili Dictionary LGPL
Tagalog Dictionary GPL
Tamil Dictionary GPL
Thai Dictionary LGPL
Ukrainian Dictionary MPL / GPL / LGPL
Urdu Dictionary LGPL
Valencian Dictionary LGPL
Vietnamese Dictionary GPL
Welsch Dictionary GPL
Yiddish Dictionary GPL