Downloading FlaggedMails 1.0.5 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The software is categorized as Communication Tools. The actual developer of this Mac application is Joern Hartmann.
From the developer:
FlaggedMails helps you to keep track of mails by adding an icon to your menu bar which gives you quick access to all your flagged mails. The item is always visible even if Mail.app is in background or not running at all and no setup required.
FlaggedMails currently only works with Mail.app.
You may want to check out more Mac applications, such as GeeMail, Mail Forward or YAI, which might be similar to FlaggedMails.