- CORS support with automatic Access-Control-Allow-Methods and Access-Control-Allow-Headers.
- Read JSON body.
- Add cache via the Expires header.
- Server settings management.
- Generic interface for SQL database (with query builder).
- Generic interface for object store (S3-like; defaults to disk).
- Generic interface for per-server key-value storage (LevelDB-like).
- Generic interface for global key-value store (FoundationDB-like).
- Multi-master synchronization primitives.