Onet.pl Translator: Free utility for translating between Polish and English. Interface in Polish language - click on "tłumacz" to run queries, after typing word into the input box to the left.
Polish-dictionary.com: Contains approximately 2000 words, phrases, and expressions translated from English to Polish.
Polish-English Online Dictionary: Lists about 600 words translated from Polish to English.
Polish-Translator.net: Selection of everyday words and phrases, with equivalent English phrases.
The Alternative Polish Dictionary: Listing of Polish slang words and phrases with English explanations.
Travlang English-Polish On-line Dictionary: English-polish Dictionary with over 2,000 terms.