Mac OS Productivity
Alinof ToDoList is a small task management software for Mac very easy to use.
It allows you to enter various data such as priority, percent complete, a to due date and of course some notes describing your task. You can also create various projects (groups) to group all your tasks. For each project, you can assign a different color theme that allows you to quickly identify each of other.
Compatibility Update for Yosemite 10.10.3