Memory training tool. Utilizes "spaced repetition" theory to manage intervals for every item based on your responses in previous repetitions in order to boost the efficiency of your learning.
Import SuperMemo data including learning progress.

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Free Chinese Dictionary, with Word Lists and Flash Cards

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Intelligent English, Chinese and Pinyin search
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Collins Mini Gem English-Finnish & Finnish-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Finnish and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-French & French-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of French and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-German & German-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of German and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Greek & Greek-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Greek and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Dutch & Dutch-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Dutch and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Italian & Italian-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Italian and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Norwegian & Norwegian-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Norwegian and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Portuguese & Portuguese-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Portuguese and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Russian & Russian-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Russian and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Czech & Czech-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Czech and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Polish & Polish-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Polish and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Croatian & Croatian-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Croatian and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Danish & Danish-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Danish and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Spanish & Spanish-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Spanish and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Swedish & Swedish-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Swedish and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Turkish & Turkish-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Turkish and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Spanish-Swedish & Swedish-Spanish Mini Gem Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Swedish and Spanish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Dorland’s Medical Dictionary provides authoritative, concise definitions for a wide range of terms used in the health sciences, including anatomy, physiology, diseases, drugs, tests and procedures and much more.