PopDo is a task list app that sits in your menu bar. It integrates with Apple Reminders and with iCloud.
PopNotes
Quick Note
Quick Note is a clutter-free note-taking in your menu bar. optimized for a fast and quick note-taking experience. The Note floats on top of all other apps, so your notes are always visible.
Renoj
SnipNotes
Quickly save notes right from the menu bar and access them from any Mac, iPhone, iPad and Apple Watch with iCloud synchronization.