Outline Coach - Helps you with the process of organizing thoughts to create an outline; paid version allows printing, emailing or uploading to Dropbox. Apple application. Lite version free; full version $0.99.
Vocabulary Builder - Sleek, effective, and fun way to build your vocabulary. Get quizzed on thousands of English vocabulary words commonly found on tests such as the GRE and SAT; Contains a built-in dictionary; no audio. Free Android apllication.
Words, Words, Words! - What you need for effective communication. Vocabulary builder. The 2000+ words become more difficult with each passing quiz. Audio is included to help with pronunciation. Mix things up with the unscramble game! Free Android application.
Typ-O - A powerful word prediction engine and a sophisticated spelling error model to help you write, even if your spelling isn't perfect. The integrated synthetic voices let you inspect the word predictions before selecting them, and check your text before emailing or pasting it into other applications. $14.99 Apple application.
Text-From-To-Speech is a free web-based speech/voice to text reader. What does it mean? It means that you can just dictate a text and it will be written without lifting a finger. This site also contains a text synthesizer. What does it mean? It means that you can just type or copy/paste some text and the system will say it.