Prolifiko VS Typewriter

Grammarly - Clear, effective, mistake-free writing everywhere you type.

Expresso - The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.

Typely - A sensitive, unobtrusive and reliable tool for any writer, newspaper editor, teacher, blogger or student STA

Write Together - Learn to write, together, one day at a time.

Writefull - Writefull provides you with the tools you need to improve the quality and consistency of your writing.

Scrivener - Scrivener is a content-generation tool for composing and structuring documents.