Unread -> Tabs questions & answers

Adds a contextual menu to webpages on vBulletin forums that lets you open all unread article links i

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Discover macOS apps and get updates in one click

Free

MailUnreadStatusBar shows in the menu bar the number of the unread mails.

Free

Open source cross platform desktop client for Postgresql.

Free

The Unread puts a Status Item in menu bar whose customizable title can display.