The Reminders Menu Bar App Lets You Use Apple Reminder From the Mac Menu Bar
Apple Reminders is a pretty complete to-do list app., but it doesn't offer a menu bar icon that allows you to quickly check your reminders, nor a system-wide keyboard shortcut for quickly adding a task to your list. The free application Reminders Menu Bar fixes these problems so seamlessly you'd think Apple made it themselves
Source: lifehacker.com