Practice English skills by answering interactive questions grammar, vocabulary, listening, reading, and more on Catsentence.


Duolingo is described as 'Gamify language learning with Duolingo, offering over 30 languages for free. Practice vital skills with intelligent chatbots and community rewards' and is a very popular language learning tool in the education & reference category. There are more than 100 alternatives to Duolingo for a variety of platforms, including Web-based, iPhone, Android, iPad and Android Tablet apps. The best Duolingo alternative is Memrise, which is free. Other great apps like Duolingo are AnkiDroid, Busuu, LibreLingo and Mondly.
Practice English skills by answering interactive questions grammar, vocabulary, listening, reading, and more on Catsentence.


Vopik is a web application for foreign language learners. It lets you build and expand your vocabulary.








Kypsis helps to memorize vocabulary, concepts, definitions etc. It is meant to accompany textbooks, courses and classes.


Pick up new words with everything you read. Improve your vocabulary with auto-generated flashcards.




Wordcraft is a vocabulary and reading game based on Latin and Greek roots. By collecting words and factoids players build their own personal encyclopedias of knowledge. Wordcraft was originally built by a NYC teacher for his classroom, and is now used around the world.



LangX functions similarly to Tandem but has is more focused on language practice and is community-driven, free and open sourced! We are open for every contributions which is even a single line or image, we will be super happy about it.




ConjuGato will help you master the hardest part of Spanish – verb conjugations. With ConjuGato you don't need to type the answers – just think or say the correct verb and tap to check for yourself. This is the perfect app for practicing your conjugations on the go, whenever...




Research-based methodology developed in collaboration with the most prestigious institution for language teachers and professionals: The American Council on the Teaching of Foreign Languages – ACTFL




Byki is a powerful and personalized language-learning system. It locks foreign language words and phrases into your memory so that you can recall them perfectly and remember them forever.
One Month Spanish helps travelers and motivated students learn conversational Spanish in 30 days.

Fresh Cards is a complete flash card solution, with daily lessons, recall evaluation, automatic card review scheduling, and statistics.



