birdtray: birdtray (tray icon mail notification for Thunderbird)
birdtray:
birdtray: Birdtray is a system tray new mail notification for Thunderbird 60+ 
birdtray: which does not require extensions.
birdtray:
birdtray: https://github.com/gyunaev/birdtray
birdtray:
birdtray:
birdtray:
birdtray:
birdtray: