atmo
The premium Open Source alternative to Mockaroo
🎯 Best for:Developers needing quick, deployable mock backends for demos and prototypes.
What is atmo?
Replaces static mock data files with dynamic, deployable API endpoints. Provides a server-side environment for generating mock data that can be instantly deployed to cloud providers.
Tech Stack
TypeScriptBackend & Auth
Why atmo?
- • Instant remote deployment
- • Dynamic data generation
- • Simple JSON configuration
Limitations
- • Limited to simple CRUD mocks
- • Requires Node.js environment
- • Smaller community support
2/13/2026
Last Update
38
Forks
5
Issues
Unknown
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to atmo instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Mockaroo)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%