Tool that provides common context for words as you write or edit. Choose from general, academic, overuse, or learner writing.
Limitations: English only.
The Coptic Dictionary Online aims to make it easy to look up Coptic words in all dialects and supply freely accessible translations in English, French and German, via human and machine readable interfaces.
Ludwig is a smart translator and linguistic search engine that compares a sentence that a user writes with comparable sentences from reliable sources. The program also has translation and dictionary functions.
Read an article about this resource at https://techcrunch.com/2016/08/05/online-linguistic-search-engine-ludwig-helps-get-your-english-on/?ncid=rss
Arch Chinese is a premier Chinese learning system crafted by Chinese teachers in the United States for Mandarin Chinese language learners at K-12 schools and universities. Designed from the start specifically for English speakers who have no or little knowledge of Mandarin Chinese, it offers a rich set of features with a slick and easy-to-use user interface.
Tool for searching for words or short phrases in a corpus. Provides the frequency of that word/phrase versus similar ones. Also provides alternatives based on learner errors.
Limitations: English only
Learn to read Spanish by reading news articles with English translations. You can also listen to the Spanish sentences.
Writing practice with other learners and native speakers.
Several tools for writing (in English). Story idea generator, conflict generator, word count meter, readability analyzer, half title generator, cliche buster.
English dictionary for kids with optional Spanish support. Includes audio pronunciations, part of speech, and inflections.
Related: http://kids.wordsmyth.net/wild/ is a highly visual dictionary, where students can click through scenes and images to find the written and spoken forms of nouns.
Visual English dictionary and thesaurus. Shows relationships between the word you search for and other words/phrases using a diagram. Hover the mouse over a word to see its definition.