UltraJSON's architecture is fundamentally ill-suited to making changes without risk of introducing new security vulnerabilities. As a result, this library has been put into a maintenance-only mode.

Going to the database repeatedly is slow and operations-heavy. Caching stores recent/frequent data in a faster layer (memory) ...

Offline usage: Use the system even without an internet connection. Privacy-focused: No personal data is stored remotely, only on your device. Responsive Width Design.

A single server setup is where everything runs on one machine—your web application, database, cache, and all business logic.