Reddit List - Tracking the top 5000 subreddits
RBTray - Allows almost any program to be minimized to the system tray by right clicking its minimize button.
Mailbrew - Automated email digests from Twitter, Reddit, YouTube & more
4t Tray Minimizer - 4t Tray Minimizer Free/Pro - Minimize Outlook, Internet Explorer, Firefox, Chrome and any other applications to the system tray!
Upvoted - A news publication by reddit
Minime - Minime is a tool that allows you to minimize applications to the system tray using a simple hotkey.