Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
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.
Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.
Keysmith - Create custom keyboard shortcuts for your Mac and the web
Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.
Power Menu for Finder - The workflow enhancing Finder extension for Mac