• Adguard (Adblocker)
• ProWritingAid (Grammar Checker)
• Volume Master (Boosts tab audio)
• Chrome Remote Desktop (Obvious)
• Honey & Rakuten (Coupons and Cashback)

I also use a Chromebook, so I use these “native” extensions I developed.

• CrosKeys (Launcher, Clipboard Manager, Scripting, basically a Rofi replacement)
• CrosPaper (Wallpaper/Screensaver Manager)
• CrosManager (System Manager)

I hate it too. It looks too much like a Fisher-Price toy.