Grammarly

Grammarly is the veteran of AI writing assistance, refining text inside the places people actually write: browsers, Office, Google Docs, Slack and mobile keyboards. It corrects grammar and clarity in real time, adapts to your tone, and — with its generative upgrade — drafts, rewrites and adjusts text on request.

Its enterprise value is consistency: brand tone guides, plagiarism checks and analytics across an organization's writing. Nearly two decades of refinement make it the least intrusive, most trusted assistant in its category — less a chatbot, more a proofreader that is always present.