LiveDocs is a collaborative platform that allows users to manage documents through email. It offers features such as permissions management, commenting, real-time indicators, notifications, and issue tracking with Sentry. The platform includes a Document Editor Page with authentication provided by Clerk and real-time features powered by Liveblocks. Users can authenticate and access real-time features on the platform's homepage. Additionally, LiveDocs supports floating and sticky comments, user mention feature, and integrates with Sentry for security.