DeckSight is a DocSend alternative built for founders who want real analytics without the enterprise pricing. Upload a PDF, share a link, and see in real-time who opened it, which pages they spent the most time on, and when they stopped reading. → Per-viewer heatmaps (page-by-page) → Real-time notifications → Password protection + email capture → Data rooms (multi-doc bundles) → Free plan · Pro at $19/mo flat · No per-seat fees