Writing app with language support (beta).
Writefull is an app that gives feedback on your writing by checking your text against databases of correct language.
You can use Writefull in any writing tool - from MS Word to Gmail. Simply select a piece of text, hit the short-key to activate Writefull, and choose one of its many options:
Updated on May 10 2017
Note: Now requires OS X 10.9 or later.