Whenever you’re in deep work and something pops into your mind, simply add it to MonkeyMind. Just like in Spotlight. The entry will get added to the menu bar list and you can deal with it later.
Niftyman
Notebook
Noted
A note taking app with a minimalistic design specifically developed for macOS Big Sur. Always open and ready for you to jot down whatever is on your mind. All of your notes are stored locally.
Plume
Plume is a simple note-taking app that lets you write down your thoughts. It also has an inbuilt to-do list button that lets you quickly generate to-do lists.