MenuBar Stats - Advanced Mac system monitor right from the menu bar
Taskful - Deadlines, meet your match.
iStat Menus - "An advanced Mac system monitor for your menubar."
Streaks - The to-do list that helps you form good habits.
Stats - Simple macOS system monitor in your menu bar.
ToDoBook - Turn your Facebook (& other social media) News feed into a to-do-list.