One that comes to mind is the Rakuten add-on (formerly Ebates) - Rakuten is definitely not a stand-alone Chrome extension but the service it provides through the Ebates extension is tied specifically to browsers.
not sure but mixmax.com is one strong chrome extensions software. It does has gmail as well as standalone web app.
GRAMMARLY - I've heard from people close to the team that annual revenue is $150mm+ and they're extremely profitable (at least profitable enough to be one of the few, if not the only, Chrome extension to buy outdoor ads).
Definitely not $100 million, but Rapportive—an add-on for Gmail (via Chrome or Firefox) that added contact info and more to your emails—was acquired by LinkedIn for $15 million. It also had an Outlook add-on, so wasn't solely a browser add-on, but close. That team then went on to build Superhuman more recently.
Email apps come and go so fast—which one has kept you using it the longest, and why?
Inspired by this tweet: https://twitter.com/rands/status/1292522368426897408?s=12
We're looking to move from our janky Notion tracker to a real recruiting / applicant tracking system like Lever or Greenhouse. They're both a bit costly for us as a very early-stage company, althou...