database

The Internet Movie Database. Comprehensive information on films, TV, and cast.

Archive of public exploits and vulnerable software. Essential resource for security researchers and penetration testers.

Interactive SQL tutorial. Practice queries on real databases.

Comprehensive PostgreSQL guide. From basics to advanced topics.

SQL indexing and tuning guide. Make your database queries fast.

Open music encyclopedia. Community-maintained database of music metadata used by many apps.

The definitive board game database. Reviews, rankings, and community.

Tabletop RPG database and community. D&D, Pathfinder, and thousands more.

Music database and marketplace. Catalog your collection, buy vinyl.

Music database with community ratings. Discover albums by genre and era.

Open podcast database. Supporting an open podcasting ecosystem.

Anime and manga database. Track, rate, and discover Japanese media.

Retro gaming database. Information on classic games and consoles.

Threatened species database. Conservation status of species worldwide.

The most deployed database in the world. Excellent documentation and fascinating technical articles about its design.