The best alternatives to Github Notifier are First Aid Git, Neat, and GitPigeon. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Github Notifier?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Neat puts GitHub notifications in your menubar. It empowers high-performing teams to review, merge, and ship code with ease. Users can preview, triage, and jump to the browser without switching tabs. Available for free on macOS.
PRESENTA helps you to make presentations effective in no time. It forces you to work mainly on the content of your presentation, leaving the visual aspects just a matter of setting options. You shouldn't spend time moving element on canvas.