Linguix

Linguix is an AI-powered grammar checker and writing assistant for individual writers, non-native English speakers, marketers, SEO practitioners, and teams that need clearer writing across websites and workplace tools.

Key capabilities include:

• Real-time grammar, spelling, and punctuation checks with style suggestions and readability-focused guidance.
• AI sentence rephrasing and vocabulary enhancement (with unlimited rephrasing available on premium plans).
• Typing shortcuts (text expander) and canned responses to speed up email and social replies across supported sites.
• Privacy and governance controls such as Secret Mode for sensitive text, plus team management, brand/style guides, and performance reports on higher-tier plans.

Pricing: Freemium, with a free plan (limited rephrasing), Premium/Pro starting around $5 to $15 per user/month (or $30/month, with annual discounts), and Team/Business plans around $20 to $40 per user/month.

What makes it notable: it combines browser-based writing assistance with Content Quality/Content Score, multilingual support (English, French, German, Spanish, Portuguese, Italian, Polish), and team-level reporting and style controls, plus an available Grammar Check API for integrations.