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

Ulysses.app - A powerful writing tool for Mac, iPad, and iPhone

Slick Write - Slick Write checks your writing's grammar and style for free!

Blurt - Compose efficiently. Edit smartly. Stay on track. Blurt is all you need to write — in one sleek tool.

Editsaurus - Highlights potential pitfalls in your writing to encourage good habits.

X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.