MongoDB is a general purpose, document-based, distributed database built for modern application developers and for the cloud era. Classified as a NoSQL database program, MongoDB uses JSON-like documents with schema.

• MongoDB Manual
• MongoDB University
• MongoDB Atlas - cloud database as a service (for deployment purposes)
• Mongoose
• Introduction to Mongoose for MongoDB
• JSON and BSON

• How to get started with MongoDB in 10 minutes
• Frequent MongoDB Shell Commands