Receive the real-time feedback about your work efficiency and the number of distractions.
Manage tasks, keep an eye on your performance and block distracting websites like Facebook, Reddit or Product Hunt to keep your unproductive habits under control.
Freedom.to - Freedom is a productivity hack that lets you block apps, websites or the entire Internet on iPhones, iPads, Windows and Mac computers.
StoryMill - Developers and publishers of Mac, Win, and iOS productivity, home and office and writing software such as MacGourmet, Paperless and many more. Based in MN.
WasteNoTime - WasteNoTime is a browser extension that helps you stay focused by automatically blocking unproductive websites.
BlankPage - Stay motivated to write, and finish your story
Serene - The macOS app to get your focus back
Manuskript - Open-source tool for writers.