golang-github-0xax-notificator-dev 0.0~git20210731.c42e3d4-1.1 (i386 binary) in ubuntu lunar

 notificator Desktop notification written by Golang
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 Windows with growlnotify
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 Mac OS X with terminal-notifier or osascript (native, 10.9 Mavericks or Up.)
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 Linux with notify-send for GNOME and kdialog for Kde