Multilingual 1:
Grammar:
http://verbix.com/webverbix/index.asp - amazing verb conjugator for
75 languages (very nifty, if not always 100%) accurate
http://www.vocabulix.com/ - vocabulary/conjugation trainer for Spanish and German
http://www.sil.org/linguistics/Gloss...s/contents.htm - glossary of linguistic terms
Dictionaries:
http://www.alcor.com.au/rhyming_dictionary.asp - rhyming dictionaries for French, Spanish, Italian, German, Portuguese, Romanian, Latin, English, Croatian, Afrikaans, Esperanto, Turkish, Dutch, Yiddish, Czech, Polish, Hungarian, Swahili, Norwegian, Japanese
http://www.allsrilanka.com/directory...dictionary.htm - lists many dictionaries for various languages.
www.dictionaric.com - A French-language site with dictionaries for Albanian, German, English, Armenian, Arabic, Breton, Chinese, Spanish, Estonian, Finnish, Georgian, Greek, Hungarian, Farsi, Icelandic, Italian, Kazakh, Latvian, Lithuanian, Mongolian, Dutch, Portuguese, Polish, Romanian, Russian, Slovene, Somali, Polish, Czech, Turkish, Ukrainian, Tajiki, Chechen, Ossetic, Japanese and Korean.
http://www.eurodict.com/search.php - English/German/French/Spanish/Italian/Greek/Turkish/Bulgarian <--> Turkish/Bulgarian
http://www.notam02.no/~hcholm/altlang/ - vulgar and unusual words in many different languages
http://dsal.uchicago.edu/dictionaries/index.html - South Asian dictionaries including Assamese, Baluchi, Bengali, English, Hindi, Kannada, Kashmiri, Khowar, Lushai, Marathi, Nepali, Oriya, Pali, Pashto, Persian, Rajasthani, Sanskrit, Sindhi, Tamil, Telugu, Torwali, Urdu and Comparative.
http://ordbok.nada.kth.se:8070/ordbog_module/ordbog - multi-directional dictionaries between Norwegian (Nynorsk and Bokmål), Danish, Swedish, Faroese, Islandic, Finnish and English; from and to all languages
http://wap.dicts.info/ - English site for dictionaries in 64 languages
http://goto.glocalnet.net/maho/webresources/index.html - dictionaries, grammar, linguistics papers, etc. of African languages
http://www.lexicool.com/dicts-info-u...ry-project.asp - Afrikaans, Basque, Bulgarian, Croatian, Chinese (simplified), Czech, Danish, Dutch, English, Esperanto, Estonian, Finnish, French, German, Greek, Hungarian, Icelandic, Indonesian, Interlingua, Italian, Japanese, Japanese Romaji, Latin, Lithuanian, Mongoalian, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Spanish, Swahili, Swedish, Turkish, Welsh - from and to all languages, through English)
http://www.infos-aus-germanien.info/woerter - from German into various languages (English, German, French, Italian, Spanish, Portuguese, Latin, Dutch, Swedish)
http://www.eudict.com/ - various EU languages in various combinations
http://www.websters-online-dictionary.org/translation/ - English translations for copious lists of words in multitudinous languages
Specialized dictionaries and glossaries:
http://www.tradulex.org/Medical.htm - various medicine terms in various languages
http://webworld.unesco.org/water/ihp...glu/HINDEN.HTM - hydrology (multilingual glossary - English, German, French, Spanish, Hindi, Chinese, Turkish, Portuguese, Russian, Romanian; not all terms available for all languages)
http://iate.europa.eu/iatediff/SearchByQueryEdit.do - terminology from various fields in EU languages
http://www.gcactuaries.org/documents/pensions_glossary_2004.pdf - pensions terminology (English, French, Danish, Finnish, German)
http://senectutenews.it/vocabolario.htm - sanitation (Italian, English, Filipino, Rumanian, Spanish)
Pronunciation:
http://www.uebersetzung.at/twister/ - Tongue-twisters for good articulation in various languages
http://demo.acapela-group.com/ - voice synthesis: Arabic, Belgian Dutch, Danish, Dutch, French, German, Italian, Norwegian, Polish, Portuguese, Spanish, Swedish, US English and UK English
http://www.research.att.com/~ttsweb/tts/demo.php - voice synthesis: English, Spanish, French, German
http://actor.loquendo.com/actordemo/default.asp - voice synthesis: Catalan, Chinese, Dutch, English, French, German, Greek, Italian, Polish, Portuguese, Spanish, Swedish, Turkish
http://www.oddcast.com/home/demos/tt...le.php?sitepal - voice synthesis: Catalan, Chinese, Dutch, English, French, German, Greek, Italian, Japanese, Korean, Polish, Portuguese, Spanish, Swedish
http://www.ivosoftware.com/ivonaonline.php - voice synthesis: English, Polish, Romanian
http://accent.gmu.edu/browse_atlas.php - worldwide speakers read the same English text
Vocabulary:
http://www.languageguide.org/ - vocabulary practice in English, Spanish, French, German, Italian, Portuguese, Russian, Hebrew, Arabic, Mandarin Chinese, and Japanese
http://www.langsites.com/index.html#Multi - multilingual glossaries
http://www.vocab.co.uk/index.htm - vocabulary practice software and bilingual wordlists in many languages (freeware)
http://wordchamp.com/lingua2/Browse.do - flashcards for many languages
http://www.flashcardexchange.com/ - flashcard library between many pairs of languages
http://www.bbc.co.uk/languages/other...croatian.shtml - essential holiday phrases for European languages
http://www.goethe-verlag.com/tests/index1.htm - vocabulary
tests (English, Spanish, French, Bahasa Indonesian, Czech, Polish, Serbian, Estonian, Turkish, Greek, Chinese, Japanese, German, Italian, Portuguese, Dutch, Hungarian, Danish, Finnish, Russian, Swedish, Norwegian, Croatian, Bulgarian, Romanian - from and to all languages
)
http://www.engoi.com/cs/index.html - vocabulary drills (English, Danish, French, Spanish, Portuguese, Russian, German, Italian, Polish, Catalan, Greek, Chinese (Mandarin), Japanese, Marathi, Czech - from and to all languages
)
http://www.notam02.no/~hcholm/altlang/ - dictionary of foul language (all languages or almost)
Writing:
http://www.loc.gov/catdir/cpso/roman.html - Romanization tables for languages that do not use the Latin script
http://www.omniglot.com - alphabets, syllabries, and other writing systems. Plus, further links from there for extensive information about the language
http://www.iit.edu/~laksvij/language/index.html - transliterates to Indian languages
Online Lessons:
http://www.internetpolyglot.com - lessons (with audio) for many languages
http://www.oculture.com/weblog/2006/..._learn_fo.html - podcasts for learners
http://www.fsi-language-courses.com/ - for many languages
http://gloss.lingnet.org/searchResources.aspx - Global Language Online Support System for many languages
Phrase Glossaries:
http://www.elite.net/~runner/jennifers/ - sixteen common phrases in 160+ languages.
http://www.omniglot.com/language/phrases/index.htm - common phrases and idioms with native scripts and transcriptions
http://www.ivu.org/phrases/ - vegetarian phrases in many languages
Encyclopedic references:
http://www.ethnologue.com/ - a catalogue all of the world’s 6,912 known living languages
http://www.lmp.ucla.edu/profile.aspx?menu=004 - information about the historical, cultural, and social roots of languages
http://www.peoples.org.ru/eng_index.html - minority languages of Russia (Russian and English)
http://www.omniglot.com - writing systems and languages of the world