Writesonic

Writing assistant checking grammar, spelling, tone, and clarity across everything you write. Works as browser extension, desktop app, and inside Gmail, Docs, Slack, and 500K+ apps.

AI marketing copy platform for sales emails, social posts, product descriptions, and ad copy. Features workflow automation that chains research, drafting, and editing steps.

AI writing platform for marketing teams. Generates on-brand content across campaigns — blog posts, ads, emails, social — while enforcing brand voice and style guidelines.