How Long Left
The 4.2.3 version of How Long Left for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The actual developer of this free Mac application is Ryan Kontos. The application lies within Productivity Tools, more precisely Timekeeping.
From the developer:
How Long Left helps you manage your time by displaying a countdown for your current and upcoming calendar events in the menu bar. You can easily configure which events are shown in the status item, and quickly access a summary of your upcoming events.
You may want to check out more Mac applications, such as Left in the Dark: No One on Board, Adore Picture Difference: Long Distance Love Lite or A Long Way Home, which might be similar to How Long Left.