Flask Projects

Browse a curated slice of freely readable Open Library books by their own real subject tags — then read them on the spot or send them to your library, Libby, or Amazon.

Pan and zoom a live satellite map of Earth, scrub through years of real Sentinel-2 and Landsat imagery, or swipe-compare two dates side by side. Ask an AI guide to fly you anywhere.

Explore major wars battle by battle on an interactive map — where each fight took place, the generals and regimes involved, the victor, and the strategy and tactics used.

Walk through an open 2D world and discover interactive physics and math exhibits.

Browse 300+ classical composers and thousands of works by era and genre. Explore Baroque, Romantic, and Modern pieces with direct links to YouTube and Spotify.

Explore the bios and ideas of history's greatest minds — mathematicians, philosophers, physicists, historians, and more. Browse by discipline or era.

Browse 106,574 tracks from the Free Music Archive by genre, style, and era. Stream full tracks via signed CloudFront URLs.