Tyranid

A metadata-driven library for Node.js that facilitates working generically with data, primarily MongoDB, serving as an ODM. Current stable version is 0.6.264, with frequent releases. Key differentiators: schema-first approach, TypeScript-first (ships types), runtime type validation, and tight coupling with MongoDB driver v3.1.10. Provides a declarative schema definition with automatic collection management, query building, and data transformations.