EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.

Hidden Bar - A ultra-light MacOS utility that helps hide menu bar icons.

Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

TramaTM - Protect your brand. Register your trademark. Free verification. Simple online process. Transparent price. Money back guarantee.

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.

Vanilla - Vanilla is a free Mac app that lets you hide icons from your menu bar.