Grammarly

About Grammarly

Grammarly is a widely used writing assistant that checks grammar, spelling, tone, and clarity, and generates or rewrites text across browsers, desktop apps, and major productivity suites. It has expanded from a proofreading tool into a broader AI writing companion.

Notable for: Ubiquitous browser/desktop grammar and tone-checking assistant

Pricing: Free tier available; Pro (formerly Premium) roughly $12/mo annual (~$30/mo monthly), Business plans priced per seat