For those who are learning to read, Route 66 Literacy is a web-based service that provides literacy instruction for persons (adolescents and adults) with developmental disabilities and/or those who are learning to speak, read, and write English. For those who are teaching reading, Route 66 is designed to help teachers and non-teachers (volunteers, parents) teach reading and writing.
VocabGrabber analyzes any text you're interested in, generating lists of the most useful vocabulary words and showing you how those words are used in context. Just copy text from a document and paste it into the box, and then click on the "Grab Vocabulary!" button. VocabGrabber will automatically create a list of vocabulary from your text, which you can then sort, filter, and save. Select any word on the list and you'll see a snapshot of the Visual Thesaurus map and definitions for that word, along with examples of the word in your text.
Classworks is a web-based instructional software that provides interactive lessons, customized learning and assessment in K-12 Math, Reading, and Language Arts. Elementary Science lessons are also available. Classworks units are based on state standards and offer interactive instruction through a multi-sensory approach that includes voice, pop-up text, audio support, video, photographs, artist drawings, and animated clips. The multiple modalities may be helpful for those with limited English proficiency or learning disabilities, or as a Response to Intervention.
Dictionary.com is an app that has an integrated dictionary.