Wikimedia Language engineering/Bilingual dictionaries

Links to dictionaries collected at the Language summit

Gujarati: http://www.gujaratilexicon.com (English-Gujarati, Gujarati-English, Gujarati-Gujarati, Gujarati-Hindi). API: No/Partial.
Multiple Languages : http://www.shabdkosh.com/ ( Bengali, Gujarati, Hindi, Kannada, Malayalam, Marathi, Punjabi, Tamil, Telugu to English and viceversa )
Hindi - http://shabdkosh.raftaar.in/ (en-hi, hi-en, hi-hi), http://hindi-english.org/ (en-hi, hi-en)
Hindi - http://shabdkosh.raftaar.in/ (en-hi, hi-en, hi-hi)
Hebrew: http://www.morfix.co.il/ (Hebrew-English, English-Hebrew)
Sanskrit : http://spokensanskrit.de/ (Sanskrit-English, English-Sanskrit)
Russian: http://slovari.yandex.ru/ (English, German, French, Spanish, Italian, Ukrainian, Kazakh)
Marathi - http://www.khandbahale.com/ http://marathibhasha.com/ http://marathivishwakosh.in/
Kannada: http://baraha.com/kannada/browse.php
Malayalam: http://olam.in
Malayalam http://wiki.smc.org.in/Dictionary (dict )
Catalan: http://www.multilingue.cat/ (Spanish, English, French, German)
TDIL list of dictionaries (not all online) - http://tdil-dc.in/tdildcMain/articles/754967Digital%20Dictionary.pdf
French: http://www.larousse.fr/dictionnaires/francais-anglais
Sakha: http://sakhatyla.ru/ (Russian)
Freedict dictionaries for a number of languages: http://dict.uni-leipzig.de/dictd

Samyak Bhuta can help with screen-scraping. Suggests to try these for API:

Kartik can help in GujaratiLexicon.com