Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Progress Bar OSX - This is your life and it's ending ⏳ one minute at a time
Go Fucking Work - Website blocker so you can get back to your fucking work
Memento Mori - A little stoic reminder page
Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.
Deathwatch - Dead startups don't tweet