Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
Keysmith - Create custom keyboard shortcuts for your Mac and the web
Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.
Power Menu for Finder - The workflow enhancing Finder extension for Mac
Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.