Grammarly - Clear, effective, mistake-free writing everywhere you type.
Hemingway - Hemingway App makes your writing bold and clear.
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.
exegesis - A writing app for disorganized, creative, nonlinear thinking
Writefull - Writefull provides you with the tools you need to improve the quality and consistency of your writing.
Refly - Refly es una plataforma que pone en contacto a personas que quieren vender sus vuelos para que alguien más pueda hacer uso de él; así el vendedor no pierde su dinero y el comprador puede viajar ahorrando dinero.