Embeddable RTOS mature
FreeRTOS
Real-time operating system for microcontrollers
26.0K stars
100 contributors
Since 2003
Real-time operating system for microcontrollers
License
MIT
Min RAM
1 MB
Min CPUs
1 core
Scaling
single_node
Complexity
expert
Performance
medium
Self-hostable
✓
K8s native
✕
Offline
✓
Pricing
fully free
Docs quality
good
Vendor lock-in
none
Use cases
- ✓ IoT device firmware
- ✓ Industrial control systems
- ✓ Sensor data collection
- ✓ Automotive embedded systems
Anti-patterns / when NOT to use
- ✕ No built-in networking (need libraries)
- ✕ Manual memory management
- ✕ Limited debugging tools
Compare with alternatives
Replaces / alternatives to
Technical specs
Language
C
API type
SDK
Protocols
HTTP
Deployment
source
Community
GitHub stars 26.0K
Contributors 100
Commit frequency weekly
Plugin ecosystem none
Backing AWS
Funding corporate
Release
Latest version
— Last release —
Since 2003
Best fit
Team size
solosmallmedium
Industries
iotautomotivemanufacturinghealthcare