Linguix is a writing tool that offers free grammar check and assists users in improving their content instantly. It provides advanced language insights such as grammar, brevity, engagement phrases, corporate cliché, and harmful language, among others. It analyzes team performance over-time and notifies users about style issues and content quality trends. The tool can be accessed through various platforms, including Google Docs, WordPress, Mailchimp, Facebook Business Manager, and other apps, and offers SSO access, on-premise installation, flexible team management, and access role. Linguix has a clean and modern UI and has received high ratings and positive reviews from users.