MongoDB Atlas
Managed MongoDB with a genuinely generous free tier. Still the easiest on-ramp if your data is document-shaped rather than relational.
What is MongoDB Atlas?
MongoDB Atlas is MongoDB's managed cloud database service: cluster provisioning, backups, scaling, and monitoring handled without running MongoDB yourself. It's the standard way most teams run MongoDB in production now rather than self-hosting, and it's usually the first stop for anyone whose data model is naturally document/JSON-shaped instead of relational.
Key features
- Fully managed clusters with automated backups, patching, and scaling
- Free forever tier (a shared cluster) that's genuinely usable for small projects, not just a trial
- Built-in search (Atlas Search) and vector search for apps that need full-text or embedding-based search alongside their data
- Multi-cloud support across AWS, GCP, and Azure, with the option to deploy across regions
Who it's for
Projects whose data is naturally document-shaped, nested, or schema-flexible, where forcing it into relational tables would add friction. Projects with genuinely relational data (foreign keys, joins across many entities, strict consistency needs) are usually better served by a Postgres-based option.
Pricing
A genuinely usable free tier for small projects, with usage-based paid clusters that scale by compute, storage, and features enabled as needs grow.