Pick your language
The same project, implemented from scratch in each language. Same logic, different syntax — the best way to truly understand a language.
Choose your database
The same project with different storage backends. See exactly what changes when you swap SQLite for PostgreSQL or MongoDB.
SQLitebuilt-in, no server — perfect for learningComing soon
PostgreSQLproduction SQL with real relationsComing soon
MongoDBflexible document storeComing soon
Redisin-memory, blazing fastComing soon
MySQLthe classic web databaseComing soon
Each version teaches the same core idea — pick the one that matches what you want to learn. New languages and variants are added continuously.
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