MongoDB Atlas (Free)
What you get free
One free shared cluster per project: 0.5 GB storage and 100 operations/second.
Limits & caveats
No backups or private endpoints; clusters auto-pause after 30 days of inactivity; 10 GB transfer per 7 days.
How to claim
Create an Atlas account and deploy a Free cluster in a supported region.
Best for
A free hosted MongoDB for side projects.
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Last checked: 2026-09-28 · Added 2026-09-28