IATE
IATE (Inter-Active Terminology for Europe) is the European Commission’s new multilingual terminological databank and replaces the earlier tool, Eurodicautom. This language site currently enables users to find translations for 1.4 million terms in 24 European languages, including Lithuanian and English.
http://iate.europa.eu/iatediff/SearchByQueryLoad.do?method=load

Stars21
World Star Free Dictionaries and Search Engines site is not a mere collection of web pages, but a heavy software program composed of hundreds of World Best Dictionaries and Searches. The site includes an instant Lituanian-English translator, as well as search engines from five continents.
http://www.stars21.com/dictionary/English-Lithuanian_dictionary.html

Dicts
On this Internet site, you can find a free online bilingual dictionary that allows you to translate Lithuanian words into English.
http://dicts.info/2/english-lithuanian.php

Freelang
On the Freelang site, you will find a free translation dictionary from Lithuanian to English, which you can consult online or download.
http://www.freelang.net/online/lithuanian.php

VnvSoft
This Lithuanian-English Dictionary site includes a free downloadable Lithuanian keyboard and quizzes.
http://dictionaries.vnvsoft.com/index_lten.html

From Language to Language
From Language to Language is a language site offering a free translation dictionary from Lithuanian to English. The multilingual Langtolang Dictionary enables users to translate words from and to 31 different languages.
http://www.langtolang.com/

Ectaco
This site offers instant translations of Lithuanian and English words. This free Lithuanian-English dictionary contains 400,000 words.
http://www.ectaco.co.uk/English-Lithuanian-Dictionary/

Lithuanian Dictionary
This site from Lithuania contains a free monolingual Lithuanian dictionary that enables users to look up definitions of Lithuanian words.
http://www.lkz.lt/startas.htm