What are your favorite writing( or related) tools?

Writing has become a vital part of any business. As creative beings, we tell stories about everything and love to hear others' stories. Your success highly depends on your ability to tell a good story. So, in this thread let's discuss some writing tools or related stuff that takes your writing/storytelling ability to the next level. Don't comment tools like Grammarly, or Bear. As most people already know about them. Only comment the tools that you think most people don't know about. Also, provide a link so people can easily have a look. I'll go first and recommend this tool that I built to help writers build a consistent writing habit. It is 100% automated. It can support any site. And the monthly subscription is just $2. It is available on the Chrome web store: https://chrome.google.com/websto...