Commitments - Commitments is a simple, lightweight to-do app that lives in your menu bar, works offline, and never collects your data—your tasks are yours alone.
Chunk - Transform your productivity with Chunk, a distraction-free macOS menubar app for time blocking and task management. Perfect for ADHD focus and Pomodoro timing.
Hotlist - Manage your daily todos straight from your Mac menu bar
Did•It - Did•It is a minimal menu bar app dedicated to tracking your completed tasks. Unlike traditional to-do apps, Did•It focuses on what you’ve already achieved, helping you keep a clear record of your accomplishments.
Super Productivity - The simple free flexible ToDo List / Time Tracker / personal Jira and Github Task Manager
Reminders Menu Bar - Simple macOS menu bar application to view and interact with reminders. Open Source and using Apple Reminders as a source.