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.
I believe Loom.com is mostly used via the Chrome extension. It does have a standalone web-app and recently native apps, but their primary user interface was browser extensions.
Odds are your team doesn’t use the same tool to manage projects and assign work as you use to manage your personal life. Even your calendar appointments likely live on separate Google Calendars, on...
Particularly for comm tools like slack and zoom, and you are purchasing for a team, what admin features are most valuable to you beyond ‘standard’ user features?
We're a small team of 7 working in the event space and I've received a lot of requests about online / virtual events vendors. Would love to get feedback from other customers.